4th grade OAA vocabulary

prefix

a group of letters placed at the beginning of a word to change its meaning

suffix

a group of letters placed at the end of a word to change its meaning

synonym

words that have similar or the same meaning

antonym

Words with opposite meanings

homonym

they are pronounced or spelled the same way but have different meanings

homophone

words pronounced alike, but different in spelling or meaning (example: hair/hare, scale (fish)/scale (musical)).

homograph

words written the same way, but pronounced differently, and have different meanings. (example: windy day, windy road.)

main idea

What the selection is mostly about (like the topic)

details

are the facts and descriptions of the events and ideas that make a reading selection interesting

support the main idea

to help explain