copse vs brake

copse and brake both are nouns.

Word	Noun	Adjective	Verb	Adverb
copse	Yes	No	No	No
brake	Yes	No	Yes	No

As nouns, brake is a hyponym of copse; that is, brake is a word with a more specific, narrower meaning than copse:

Other hyponyms of copse include canebrake, spinney, underbrush, undergrowth, underwood.

copse (noun)	brake (noun)
a dense growth of bushes	a restraint used to slow or stop a vehicle
	anything that slows or hinders a process
	an area thickly overgrown usually with one kind of plant
	large coarse fern often several feet high; essentially weed ferns; cosmopolitan
	any of various ferns of the genus Pteris having pinnately compound leaves and including several popular houseplants

copse (verb)	brake (verb)
	cause to stop by applying the brakes
	stop travelling by applying a brake