drink vs bib

drink and bib both are nouns.

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

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

Other hyponyms of drink include tank, port, claret, bar hop, pub-crawl, tipple, hit it up, inebriate, soak, souse, wine, carry, hold.

drink (noun)	bib (noun)
the act of drinking alcoholic beverages to excess	a napkin tied under the chin of a child while eating
the act of swallowing	top part of an apron; covering the chest
any liquid suitable for drinking
a single serving of a beverage
any large deep body of water

drink (verb)	bib (verb)
be fascinated or spell-bound by; pay close attention to	drink moderately but regularly
take in liquids
consume alcohol
drink excessive amounts of alcohol; be an alcoholic
propose a toast to