nark vs annoy

nark is a noun but annoy is not a noun.

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

As verbs, nark and annoy are synonyms defined as:

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

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

nark (noun)	annoy (noun)
an informer or spy working for the police
a lawman concerned with narcotics violations

nark (verb)	annoy (verb)
inform or spy (for the police)	cause annoyance in; disturb, especially by minor irritations
cause annoyance in; disturb, especially by minor irritations