ruffle vs irritate

ruffle is a noun but irritate is not a noun.

Word	Noun	Adjective	Verb	Adverb
ruffle	Yes	No	Yes	No
irritate	No	No	Yes	No

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

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

ruffle (noun)	irritate (noun)
a noisy fight
a high tight collar
a strip of pleated material used as a decoration or a trim

ruffle (verb)	irritate (verb)
pleat or gather into a ruffle	excite to an abnormal condition, or chafe or inflame
erect or fluff up	excite to some characteristic action or condition, such as motion, contraction, or nervous impulse, by the application of a stimulus
disturb the smoothness of	cause annoyance in; disturb, especially by minor irritations
twitch or flutter
mix so as to make a random order or arrangement
trouble or vex
discompose
stir up (water) so as to form ripples
to walk with a lofty proud gait, often in an attempt to impress others