renounce vs repudiate

renounce and repudiate both are verbs.

Word	Noun	Adjective	Verb	Adverb
renounce	No	No	Yes	No
repudiate	No	No	Yes	No

As verbs, renounce and repudiate are synonyms defined as:

Other synonyms of renounce include disown.

renounce (verb)	repudiate (verb)
cast off	refuse to acknowledge, ratify, or recognize as valid
turn away from; give up	cast off
leave (a job, post, or position) voluntarily	reject as untrue, unfounded, or unjust
give up, such as power, as of monarchs and emperors, or duties and obligations	refuse to recognize or pay