annoy vs gravel

annoy is not a noun while gravel is a noun.

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

As verbs, annoy and gravel are synonyms defined as:

annoy and gravel: cause annoyance in; disturb, especially by minor irritations

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

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

annoy (verb)	gravel (verb)
cause annoyance in; disturb, especially by minor irritations	be a mystery or bewildering to
	cover with gravel
	cause annoyance in; disturb, especially by minor irritations