grate vs annoy

grate is a noun but annoy is not a noun.

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

As verbs, annoy is a hypernym of grate; that is, annoy is a word with a broader meaning than grate:

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

grate (noun)	annoy (noun)
a frame of iron bars to hold a fire
a barrier that has parallel or crossed bars blocking a passage but admitting air
a harsh rasping sound made by scraping something

grate (verb)	annoy (verb)
make a grating or grinding sound by rubbing together	cause annoyance in; disturb, especially by minor irritations
scratch repeatedly
reduce to small shreds or pulverize by rubbing against a rough or sharp perforated surface
gnaw into; make resentful or angry
furnish with a grate