wino vs boozer

wino and boozer both are nouns.

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

As nouns, boozer is a hyponym of wino; that is, boozer is a word with a more specific, narrower meaning than wino:

Other hyponyms of wino include alcoholic, alky, dipsomaniac, lush, soaker, souse.

wino (noun)	boozer (noun)
a chronic drinker	a person who drinks alcohol to excess habitually