knuckle under vs accede

knuckle under and accede both are verbs.

Word	Noun	Adjective	Verb	Adverb
knuckle under	No	No	Yes	No
accede	No	No	Yes	No

As verbs, accede is a hyponym of knuckle under; that is, accede is a word with a more specific, narrower meaning than knuckle under:

Other hyponyms of knuckle under include bow, defer, give in, submit.

knuckle under (verb)	accede (verb)
consent reluctantly	yield to another's wish or opinion
	to agree or express agreement
	take on duties or office