drain vs emaciate

drain is a noun but emaciate is not a noun.

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

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

Other hyponyms of drain include macerate, waste.

drain (noun)	emaciate (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)	emaciate (verb)
empty of liquid; drain the liquid from	grow weak and thin or waste away physically
make weak	cause to grow thin or weak
deplete of resources
flow off gradually