rankle vs get at

rankle and get at both are verbs.

Word	Noun	Adjective	Verb	Adverb
rankle	No	No	Yes	No
get at	No	No	Yes	No

As verbs, get at is a hypernym of rankle; that is, get at is a word with a broader meaning than rankle:

Other hypernyms of rankle include annoy, bother, chafe, devil, get to, gravel, irritate, nark, nettle, rag, rile, vex.

rankle (verb)	get at (verb)
gnaw into; make resentful or angry	cause annoyance in; disturb, especially by minor irritations
	reach or gain access to
	influence by corruption