clitic vs morpheme

clitic and morpheme both are nouns.

Word	Noun	Adjective	Verb	Adverb
clitic	Yes	No	No	No
morpheme	Yes	No	No	No

As nouns, morpheme is a hypernym of clitic; that is, morpheme is a word with a broader meaning than clitic:

clitic: a word that is treated in pronunciation as forming a part of a neighboring word and that is often unaccented or contracted.
morpheme: minimal meaningful language unit; it cannot be divided into smaller meaningful units

clitic (noun)	morpheme (noun)
a word that is treated in pronunciation as forming a part of a neighboring word and that is often unaccented or contracted.	minimal meaningful language unit; it cannot be divided into smaller meaningful units