drink vs engross

drink is a noun but engross is not a noun.

Word	Noun	Adjective	Verb	Adverb
drink	Yes	No	Yes	No
engross	No	No	Yes	No

As verbs, engross is a hypernym of drink; that is, engross is a word with a broader meaning than drink:

Other hypernyms of drink include absorb, engulf, immerse, plunge, soak up, steep.

drink (noun)	engross (noun)
the act of drinking alcoholic beverages to excess
the act of swallowing
any liquid suitable for drinking
a single serving of a beverage
any large deep body of water

drink (verb)	engross (verb)
be fascinated or spell-bound by; pay close attention to	consume all of one's attention or time
take in liquids	devote (oneself) fully to
consume alcohol
drink excessive amounts of alcohol; be an alcoholic
propose a toast to