disownment vs renunciation

disownment and renunciation both are nouns.

Word	Noun	Adjective	Verb	Adverb
disownment	Yes	No	No	No
renunciation	Yes	No	No	No

As nouns, renunciation is a hypernym of disownment; that is, renunciation is a word with a broader meaning than disownment:

Other hypernyms of disownment include repudiation.

disownment (noun)	renunciation (noun)
refusal to acknowledge as one's own	the act of renouncing; sacrificing or giving up or surrendering (a possession or right or title or privilege etc.)
	an act (spoken or written) declaring that something is surrendered or disowned
	rejecting or disowning or disclaiming as invalid
	the state of having rejected your religious beliefs for your political party or a cause (often in favor of opposing beliefs or causes)