5-letter words ending with O

This set of five-letter words ending with O is great for noticing final sounds and common endings. Read each word together, tap the ending sound, and try writing the word without looking, then check and correct kindly.

hellonoun
"Hello!" or an equivalent greeting.
2 syllables
Idahogeographical name
State of the northwestern U.S. bordering on British Columbia, Canada; capital Boise area 83,557 square miles (217,248 square kilometers), population 1,567,582
3 syllablesGrade Grade 4
micronoun
(gaming slang) micromanagement
Grade Grade 3Scrabble 9
mottonoun
A sentence, phrase, or word, forming part of an heraldic achievement.
Grade Grade 2Scrabble 7
radionoun
The technology that allows for the transmission of sound or other signals by modulation of electromagnetic waves.
2 syllables
rationoun
The indicated quotient of two mathematical expressions
3 syllablesGrade Grade 6
rationoun
The indicated quotient of two mathematical expressions
2 syllables
videonoun
Television, television show, movie.
2 syllables