nark vs get at

nark is a noun but get at is not a noun.

Word	Noun	Adjective	Verb	Adverb
nark	Yes	No	Yes	No
get at	No	No	Yes	No

As verbs, nark and get at are synonyms defined as:

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

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

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

nark (verb)	get at (verb)
inform or spy (for the police)	cause annoyance in; disturb, especially by minor irritations
cause annoyance in; disturb, especially by minor irritations	reach or gain access to
	influence by corruption