drinking vs intake

drinking and intake both are nouns.

Word	Noun	Adjective	Verb	Adverb
drinking	Yes	No	No	No
intake	Yes	No	No	No

As nouns, intake is a hypernym of drinking; that is, intake is a word with a broader meaning than drinking:

drinking: the act of consuming liquids
intake: the process of taking food into the body through the mouth (as by eating)

Other hypernyms of drinking include consumption, ingestion, uptake.

drinking (noun)	intake (noun)
the act of consuming liquids	the process of taking food into the body through the mouth (as by eating)
the act of drinking alcoholic beverages to excess	the act of inhaling; the drawing in of air (or other gases) as in breathing
	an opening through which fluid is admitted to a tube or container