gravel vs annoy

gravel is a noun but annoy is not a noun.

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

As verbs, gravel and annoy are synonyms defined as:

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

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

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

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