tipple vs bib

tipple and bib both are nouns.

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

As verbs, tipple and bib are synonyms defined as:

tipple (noun)	bib (noun)
a serving of drink (usually alcoholic) drawn from a keg	a napkin tied under the chin of a child while eating
	top part of an apron; covering the chest

tipple (verb)	bib (verb)
drink moderately but regularly	drink moderately but regularly