renunciant vs self-abnegating

renunciant and self-abnegating both are adjectives.

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

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

Other synonyms of renunciant include renunciative, self-denying.

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