Prefix
before the root morpheme
Suffix
Morpheme at the end of the root
Morphology
Units of a word and how we break it down
Inflectional function affix
The affix makes the root word show a grammatical category and doesn’t change the meaning
Derivational function
The affix helps the root become a new word of meaning
Auxiliary Verb
Grammatical term for a word that comes with other verb to “help” the verb make sense