self-denying vs renunciant

self-denying and renunciant both are adjectives.

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

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

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

self-denying (adjective)	renunciant (adjective)
used especially of behavior	used especially of behavior
willing to deprive yourself