Prefixes are used with words to make new words. They are used to give
negative/opposite meaning to words. They are added to the beginning of the word.
Suffixes are also used with words to make new words. They are added to the end of the word.
Examples:
Prefix Suffix
un + happy=unhappy weak + ness = weakness
im + possible = impossible brave + ry = bravery
in + correct = incorrect play + ful = playful
ir + regular = irregular child + ren = children