disown vs renounce

disown and renounce both are verbs.

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

As verbs, disown and renounce are synonyms defined as:

Other synonyms of disown include repudiate.

disown (verb)	renounce (verb)
cast off	cast off
prevent deliberately (as by making a will) from inheriting	turn away from; give up
	leave (a job, post, or position) voluntarily
	give up, such as power, as of monarchs and emperors, or duties and obligations