eat into vs irritate

eat into and irritate both are verbs.

Word	Noun	Adjective	Verb	Adverb
eat into	No	No	Yes	No
irritate	No	No	Yes	No

As verbs, irritate is a hypernym of eat into; that is, irritate is a word with a broader meaning than eat into:

Other hypernyms of eat into include annoy, bother, chafe, devil, get at, get to, gravel, nark, nettle, rag, rile, vex.

eat into (verb)	irritate (verb)
gnaw into; make resentful or angry	excite to an abnormal condition, or chafe or inflame
	excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus
	cause annoyance in; disturb, especially by minor irritations