Hard words to spell
Some words are hard because of the letters in them, and the same ones catch nearly everybody. These are the words children on SpellingJoy get wrong most often the first time they meet them, grouped by what actually trips them up.
Where these numbers come from
Where these come from. 373,755 first attempts by children practising on SpellingJoy. A word appears here only if at least 100 different children have met it.
What the number means. The share of those children who needed more than one try the first time they saw that word. Later practice is not counted, so it measures the first meeting, not how hard a word stays. Across all 1,599 words that qualify, the average is 13.7%. This page shows the 136 at 25% or above.
What it does not mean. These are children roughly 5 to 12 years old using one spelling app, not adults and not every English word. Two rates within a few points of each other are not meaningfully different, so there are no rankings here.
The i before e words
- achieve26.4% · 148 children
The same shape as believe, and the two are worth practising on the same day.
Cue: If you can spell believe, you can spell achieve. Same four letters at the end.
- achievement32.4% · 105 children
Achieve with an ending bolted on, so the ie is still the part that decides it.
Cue: Spell achieve, then add ment. Nothing else changes.
- believe30.5% · 692 children
The most practised word in this group, 692 children, and nearly a third still miss it.
Cue: Never believe a lie. The word lie is sitting inside it.
- chief33.8% · 364 children
Rhymes with thief and is spelled the same way, which is worth showing side by side.
Cue: Chief and thief. One letter apart, same ie.
- conscience31.0% · 113 children
Science with con on the front, plus an sc that sounds like a single s.
Cue: Your conscience is your inner science. Same ending.
- experience35.3% · 170 children
A long word where the ie sits in an unstressed middle nobody pronounces clearly.
Cue: Experience ends like science. Both i before e.
- field34.8% · 442 children
One of the most practised words on the site and a third still get it wrong the first time.
Cue: You yield in a field. They rhyme and they are spelled the same way.
- freight32.2% · 152 children
The eigh saying a long a, the same as in eight and weigh.
Cue: Eight, weigh, freight, sleigh. All eigh.
- friendly28.5% · 137 children
Friend is the problem. The ie is not heard at all, so children write "frendly".
Cue: A friend is a friend to the end. The word end is inside it.
- grief33.1% · 175 children
Rhymes with thief and chief and follows them exactly.
Cue: Thief, chief, grief. Three rhymes, one spelling.
- height32.7% · 278 children
Looks like it should rhyme with weight and be spelled like it, but the ei sounds nothing like the ei in eight.
Cue: Height and weight both carry eigh. Learn them as a pair.
- noisier29.5% · 112 children
Noisy loses its y and takes ier, which children do not expect.
Cue: Noisy, noisier, noisiest. The y turns into an i every time.
- preview37.6% · 141 children
View carries the ie, and the pre in front hides it.
Cue: Preview is pre plus view. Spell view on its own first.
- quiet30.4% · 112 children
Two syllables that children run together into quite, which is a different word.
Cue: Qui-et has two beats. Quite has one. Say it in two and the i comes before the e.
- receipt41.1% · 112 children
The same ei after c, plus a silent p that nobody hears.
Cue: A receipt is what you get when you receive something. Same start, same ei.
- receive51.2% · 281 children
The hardest word we measure. More than half of children write "recieve" the first time.
Cue: After a c, it is ei. Receive, receipt, ceiling, deceive.
- their34.0% · 518 children
An ei with no c in front, which breaks the rule children have just been taught, and it competes with there and they are.
Cue: Their has heir in it, and an heir owns something. Their means belonging to them.
- thief36.4% · 401 children
No c in front, so it goes back to ie, and children who have just learned receive often overcorrect to "theif".
Cue: A thief lies. Both ie.
Letters you cannot hear
- answer27.0% · 626 children
A w sitting in the middle that nobody says.
Cue: An answer to a question about a sword: both have a silent w.
- business32.3% · 229 children
Busy plus ness, but the word is said "bizness", so the middle syllable disappears.
Cue: Busy people do business. Start by spelling busy.
- column25.7% · 113 children
The same silent n ending, and the u is barely voiced.
Cue: Column, autumn, hymn. Three words, one silent n.
- exhaust31.5% · 111 children
An h after the x that is never heard.
Cue: Exhaust and exhibit both hide an h after the x.
- february42.4% · 335 children
Almost everyone says "Feb-yoo-ary", so the first r vanishes before the child writes it down.
Cue: Say it wrong on purpose while you write: "Feb-ROO-ary". The r comes back.
- hymn25.9% · 108 children
A y doing a vowel job and an n on the end that is never sounded.
Cue: Hymn, column and autumn all end in a silent n. Learn the three together.
- knight26.0% · 131 children
A silent k and a silent gh in a word with five sounded letters.
Cue: A knight rides at night. Take night and put a k on the front.
- knowledge30.6% · 441 children
A silent k at the front and a d in the middle, where a child hears only "nollij".
Cue: You know things, so knowledge starts with know.
- rhythm40.8% · 152 children
The only vowel sound is carried by a y, and there is an h after the r doing nothing at all.
Cue: Rhythm Helps Your Two Hips Move. One word per letter, in order.
- suspicious25.0% · 104 children
The ci says "sh", which is a sound no child expects those two letters to make.
Cue: Suspicious, delicious, precious. When it ends "shus", it is usually cious.
- wednesday30.0% · 403 children
Three syllables on paper, two in the mouth. The d and the first e are never spoken.
Cue: Wed, nes, day. Say the three pieces as you write the three pieces.
- whether32.9% · 149 children
The h is silent for most speakers, and the word is the twin of weather.
Cue: Whether is about which one, and it starts like when, where and why.
- wrinkle31.1% · 106 children
A silent w at the front, the same as in write, wrong and wrist.
Cue: Write, wrong, wrist, wrinkle. If it is about twisting or writing, it starts wr.
One letter or two
- accomplish28.3% · 276 children
A double c saying two different sounds, k and then a soft one.
Cue: Accomplish, accident, accept. All start acc.
- approached29.5% · 220 children
The same double p, plus an oa that sounds like a long o.
Cue: Approach has a coach in it.
- appropriate32.7% · 101 children
Ap plus propriate, so the p doubles at the join.
Cue: Appropriate, approach, approve. All app.
- automatically33.0% · 176 children
Automatic plus ly makes a double l, and the word is long enough that children drop the al.
Cue: Automatical plus ly. The al is already there before the ly.
- beginning31.2% · 260 children
Begin doubles its n before ing, which is the rule children forget most.
Cue: Begin ends in one n, but beginning needs two.
- difference30.4% · 481 children
The double f is easy; the ence on the end is what goes wrong.
Cue: Difference ends like sentence and silence. Not ance.
- different31.8% · 628 children
The middle e is swallowed, so children write "diffrent".
Cue: Diff-er-ent. Three beats, three vowels.
- disappear29.6% · 142 children
The same dis plus appear, one s and two p.
Cue: Dis plus appear. Same rule as disappointed.
- disappointed32.2% · 211 children
Dis plus appoint, so it is one s and two p, and children usually do the reverse.
Cue: Dis plus appoint. Keep the two words whole and the letters fall out right.
- disapprove25.7% · 113 children
Dis plus approve. One s, two p, every time.
Cue: If the second word starts with a double, keep it. Dis + approve.
- discuss28.6% · 154 children
One s in the middle and two at the end, which is easy to reverse.
Cue: Dis plus cuss. The double s is only at the end.
- embarrassed39.8% · 113 children
Two doubles in one word, rr and ss, and getting one right does not help with the other.
Cue: Really Red Skin Shows. Two r, two s.
- essential27.6% · 152 children
A double s, then tial saying "shul".
Cue: Essential, potential, confidential. All end tial.
- happened25.6% · 156 children
Happen doubles its p, and then the ed is pronounced as a plain d.
Cue: Happy and happen both have two p.
- immediately44.4% · 135 children
A double m and then a long unstressed tail that children shorten to "immediatly".
Cue: Immediate plus ly. The e stays.
- little25.4% · 311 children
A double t and a le ending that sounds like "ul".
Cue: Little, middle, bottle, apple. The le ending is silent about its e.
- necessary39.4% · 297 children
One c and two s, which is the opposite of what most children guess.
Cue: One collar, two sleeves. One c, two s.
- parallel34.2% · 161 children
One r, then two l, then one l. Three decisions in one word.
Cue: The two l in the middle are the parallel lines.
- strawberry26.4% · 110 children
Straw plus berry, and berry carries the double r.
Cue: Strawberry, blueberry, raspberry. The berry never changes.
- summarize31.5% · 111 children
Summary keeps its double m when it becomes summarize.
Cue: A summary you summarize. Two m in both.
- usually26.8% · 220 children
Usual plus ly gives a double l, and the middle u is barely said.
Cue: Usual plus ly. Write the whole word usual first.
The vowel in the middle nobody says
- adequate36.0% · 150 children
The quate ending is said "kwit", so the a vanishes.
Cue: Adequate has a quart in it, near enough. Look for the qu.
- animal27.1% · 495 children
The last vowel is an a that sounds like nothing in particular.
Cue: An-i-mal. Three beats, and the last one is mal.
- article29.2% · 113 children
The middle i is unstressed and the cle ending sounds like "kul".
Cue: Art plus icle. There is art at the front.
- benefit30.9% · 123 children
Three e sounds in a row, none of them stressed.
Cue: Ben-e-fit. Three beats, all e except the last.
- calendar31.5% · 130 children
The last vowel is an a that sounds exactly like an e.
Cue: Calendar ends like dollar and collar. Look for the ar.
- certain27.0% · 267 children
The ain ending is said "un", which points at no letters in particular.
Cue: Certain, mountain, curtain. All ain.
- consonant35.6% · 118 children
Two unstressed o sounds and an ant ending that sounds like ent.
Cue: A consonant is not a vowel, and it ends ant like relevant.
- definitely42.8% · 201 children
Three i sounds, all unstressed, and children reach for an a in the middle.
Cue: Definitely is finite with de on the front. No a anywhere.
- environment29.6% · 284 children
The n in the middle is skipped in speech, so children write "enviroment".
Cue: Environment has iron in the middle.
- experiment25.4% · 248 children
A long word with an unstressed i in the middle that children drop.
Cue: Experi plus ment. It starts like experience.
- figure27.5% · 149 children
The ure ending is said "yer", so the u goes missing.
Cue: Figure, nature, picture. All ure.
- general30.0% · 180 children
The middle e is swallowed, so it becomes "genral".
Cue: Gen-er-al. Three beats.
- interpret34.0% · 106 children
The final e sounds like nothing at all.
Cue: Inter plus pret. Inter is the same as in internet.
- label32.9% · 216 children
The el sound at the end can be spelled el, le or al, and this one is el.
Cue: Label, camel, travel. All el.
- measure34.4% · 212 children
The ea says a short e, and the sure ending says "zher".
Cue: Measure, treasure, pleasure. All ea then sure.
- mustard29.2% · 106 children
The ard ending sounds like "erd".
Cue: Mustard, custard, standard. All ard.
- numeral28.3% · 120 children
The middle e is barely there and the word is used more in writing than in talk.
Cue: Number and numeral both start num.
- perimeter29.6% · 108 children
Three e, all unstressed, in a word children meet in maths rather than in speech.
Cue: Peri means around. Perimeter goes around the edge.
- privilege31.7% · 126 children
Four vowels and not one of them is the e children expect in the middle.
Cue: Privilege is a vile word: p-r-i-v-i-l-e-g-e. Two i before the e.
- purple25.7% · 148 children
The le ending sounds like "ul" and could easily be al or el.
Cue: Purple, apple, little. All le.
- relevant40.7% · 118 children
The ending sounds like "ent" but is spelled ant.
Cue: Relevant, important, significant. All ant.
- satin32.0% · 103 children
The second vowel is an i saying almost nothing, and satan is a different word.
Cue: Satin is a fabric, and it ends like robin and cabin.
- separate29.2% · 339 children
The middle vowel is an a, but it is said so lightly that almost everyone writes "seperate".
Cue: There is a rat in separate.
- several28.8% · 160 children
Exactly the same swallowed middle as general.
Cue: Sev-er-al. Three beats, like general.
- sincerely29.4% · 160 children
Sincere keeps its e when ly is added, which is not what the ear suggests.
Cue: Sincere plus ly. The e stays.
- strategy26.6% · 109 children
The middle e is swallowed and the ending is gy, not gee.
Cue: Strat-e-gy. Three beats.
- temperature25.1% · 319 children
Most people say "tempracher", so two whole vowels go missing.
Cue: Temp-er-a-ture. Four beats. Say all four while writing.
- travel25.7% · 171 children
The same el ending as label.
Cue: Travel and label rhyme at the end and are spelled the same.
- treasure28.2% · 177 children
The same ea and the same sure ending as measure.
Cue: You measure treasure. Same middle, same end.
- vegetable25.6% · 125 children
Said with three syllables, written with four. The middle e disappears.
Cue: Veg-e-table. There is a table in it.
Other words that catch children out
- adaptation28.8% · 215 children
- admit32.1% · 131 children
- afraid27.3% · 176 children
- again31.4% · 1245 children
- against30.3% · 297 children
- america34.8% · 279 children
- astronaut38.7% · 111 children
- athlete33.8% · 157 children
- bandit27.2% · 136 children
- beautiful33.9% · 608 children
- beneath25.5% · 282 children
- break29.3% · 420 children
- circus26.8% · 112 children
- consequences35.3% · 102 children
- delicious28.7% · 150 children
- design31.4% · 153 children
- dialogue41.8% · 110 children
- disease28.2% · 202 children
- does31.2% · 826 children
- elephant34.5% · 145 children
- engineer28.8% · 132 children
- every25.9% · 872 children
- except27.4% · 277 children
- excuse26.7% · 116 children
- exercise32.7% · 245 children
- favorite25.0% · 108 children
- goes28.7% · 293 children
- great28.4% · 349 children
- guarantee47.3% · 150 children
- into25.0% · 232 children
- january27.6% · 326 children
- jewel28.1% · 139 children
- launch32.8% · 186 children
- length32.1% · 106 children
- maybe28.7% · 178 children
- motorcycle28.7% · 101 children
- mountains37.0% · 119 children
- once25.8% · 511 children
- pants25.0% · 132 children
- picnic26.1% · 188 children
- products28.9% · 135 children
- pumpkin32.5% · 120 children
- quake28.2% · 110 children
- questions32.9% · 158 children
- souvenir37.4% · 107 children
- special31.1% · 341 children
- square27.2% · 169 children
- steak30.2% · 232 children
- surprise27.4% · 274 children
- these27.0% · 359 children
- tuesday26.3% · 377 children
- used27.2% · 125 children
- whale27.5% · 182 children
- whip27.9% · 140 children
Practise these words
Every word above links to its own page, with the word read aloud and a practice list. To print a worksheet from your own list, paste the words into the worksheet generator.