provoke vs gravel

provoke is not a noun while gravel is a noun.

Word	Noun	Adjective	Verb	Adverb
provoke	No	No	Yes	No
gravel	Yes	No	Yes	No

As verbs, gravel is a hypernym of provoke; that is, gravel is a word with a broader meaning than provoke:

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

provoke (noun)	gravel (noun)
	rock fragments and pebbles

provoke (verb)	gravel (verb)
provide the needed stimulus for	be a mystery or bewildering to
evoke or provoke to appear or occur	cover with gravel
call forth (emotions, feelings, and responses)	cause annoyance in; disturb, especially by minor irritations
annoy continually or chronically