clitic vs proclitic

clitic and proclitic both are nouns.

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

As nouns, proclitic is a hyponym of clitic; that is, proclitic is a word with a more specific, narrower 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.
proclitic: a clitic that is associated with a following word.

clitic (noun)	proclitic (noun)
a word that is treated in pronunciation as forming a part of a neighboring word and that is often unaccented or contracted.	a clitic that is associated with a following word.