self-abnegating vs renunciant

self-abnegating and renunciant both are adjectives.

Word	Noun	Adjective	Verb	Adverb
self-abnegating	No	Yes	No	No
renunciant	No	Yes	No	No

As adjectives, self-abnegating and renunciant are synonyms defined as:

Other synonyms of self-abnegating include renunciative, self-denying.

self-abnegating (adjective)	renunciant (adjective)
used especially of behavior	used especially of behavior