wino vs imbiber

wino and imbiber both are nouns.

Word	Noun	Adjective	Verb	Adverb
wino	Yes	No	No	No
imbiber	Yes	No	No	No

As nouns, imbiber is a hypernym of wino; that is, imbiber is a word with a broader meaning than wino:

Other hypernyms of wino include drinker, juicer, toper.

wino (noun)	imbiber (noun)
a chronic drinker	a person who drinks alcoholic beverages (especially to excess)