gravel vs nark

gravel and nark both are nouns.

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

As verbs, gravel and nark are synonyms defined as:

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

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

gravel (noun)	nark (noun)
rock fragments and pebbles	an informer or spy working for the police
	a lawman concerned with narcotics violations

gravel (verb)	nark (verb)
be a mystery or bewildering to	inform or spy (for the police)
cover with gravel	cause annoyance in; disturb, especially by minor irritations
cause annoyance in; disturb, especially by minor irritations