drain vs consume

drain is a noun but consume is not a noun.

Word	Noun	Adjective	Verb	Adverb
drain	Yes	No	Yes	No
consume	No	No	Yes	No

As verbs, consume is a hypernym of drain; that is, consume is a word with a broader meaning than drain:

Other hypernyms of drain include deplete, eat, eat up, exhaust, expend, run through, use, use up, wipe out.

drain (noun)	consume (noun)
emptying something accomplished by allowing liquid to run out of it
a gradual depletion of energy or resources
a pipe through which liquid is carried away
tube inserted into a body cavity (as during surgery) to remove unwanted material

drain (verb)	consume (verb)
empty of liquid; drain the liquid from	engage fully
make weak	serve oneself to, or consume regularly
deplete of resources	use up (resources or materials)
flow off gradually	spend extravagantly
	eat up completely, as with great appetite
	destroy completely