drum brake vs drum

drum brake and drum both are nouns.

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

drum brake (noun)	drum (noun)
hydraulic brake in which friction is applied to the inside of a spinning drum by the brake shoe	small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise
	a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end
	a cylindrical metal container, commonly used for shipping or storage of liquids
	a hollow cast iron cylinder attached to the wheel that forms part of the brakes
	the sound of a drum
	a bulging cylindrical shape; hollow with flat ends

drum brake (verb)	drum (verb)
	study intensively, as before an exam
	play a percussion instrument
	make a rhythmic sound