gravel vs provoke

gravel is a noun but provoke is not a noun.

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

As verbs, provoke is a hyponym of gravel; that is, provoke is a word with a more specific, narrower meaning than gravel:

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

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