Free morphemes
Can stand alone as words but can’t be broken down any further
Bound morphemes
Can’t stand alone and have to be attached to another morpheme
Prefix
Affix at the start of a word
Suffix
Affix at the end of a word
Inflexional affixes
Suffixes that can indicate plurality, possession, 3rd person, past tense, comparative or superlative
Derivational
Used to create a new word and usually changed its class
Morpheme
The smallest unit of language that expenses meaning or serves a grammatical function