study vs drum

study and drum both are nouns.

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

As verbs, drum is a hyponym of study; that is, drum is a word with a more specific, narrower meaning than study:

Other hyponyms of study include con, learn, memorise, memorize, bone, bone up, cram, get up, grind away, mug up, swot, swot up.

study (noun)	drum (noun)
a detailed critical inspection	small to medium-sized bottom-dwelling food and game fishes of shallow coastal and fresh waters that make a drumming noise
a room used for reading and writing and studying	a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end
preliminary drawing for later elaboration	a cylindrical metal container, commonly used for shipping or storage of liquids
attentive consideration and meditation	a hollow cast iron cylinder attached to the wheel that forms part of the brakes
a branch of knowledge	the sound of a drum
applying the mind to learning and understanding a subject (especially by reading)	a bulging cylindrical shape; hollow with flat ends
a state of deep mental absorption
a written document describing the findings of some individual or group
a composition intended to develop one aspect of the performer's technique
someone who memorizes quickly and easily (as the lines for a part in a play)

study (verb)	drum (verb)
be a student of a certain subject	study intensively, as before an exam
learn by reading books	play a percussion instrument
consider in detail and subject to an analysis in order to discover essential features or meaning	make a rhythmic sound
be a student; follow a course of study; be enrolled at an institute of learning
think intently and at length, as for spiritual purposes
give careful consideration to