coup de main vs trap

coup de main and trap both are nouns.

Word	Noun	Adjective	Verb	Adverb
coup de main	Yes	No	No	No
trap	Yes	No	Yes	No

As nouns, trap is a hyponym of coup de main; that is, trap is a word with a more specific, narrower meaning than coup de main:

coup de main: an attack without warning
trap: the act of concealing yourself and lying in wait to attack by surprise

Other hyponyms of coup de main include terrorist attack, ambuscade, ambush, lying in wait, pre-emptive strike.

coup de main (noun)	trap (noun)
an attack without warning	the act of concealing yourself and lying in wait to attack by surprise
	a device in which something (usually an animal) can be caught and penned
	a light two-wheeled carriage
	a hazard on a golf course
	a device to hurl clay pigeons into the air for trapshooters
	drain consisting of a U-shaped section of drainpipe that holds liquid and so prevents a return flow of sewer gas
	informal terms for the mouth
	something (often something deceptively attractive) that catches you unawares

coup de main (verb)	trap (verb)
	catch in or as if in a trap
	hold or catch as if in a trap
	to hold fast or prevent from moving
	to sell marijuana on a street corner
	place in a confining or embarrassing position