nark vs rile

nark is a noun but rile is not a noun.

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

As verbs, nark and rile are synonyms defined as:

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

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

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

nark (verb)	rile (verb)
inform or spy (for the police)	make turbid by stirring up the sediments of
cause annoyance in; disturb, especially by minor irritations	cause annoyance in; disturb, especially by minor irritations