boozer vs dipsomaniac

boozer and dipsomaniac both are nouns.

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

As nouns, boozer and dipsomaniac are synonyms defined as:

boozer and dipsomaniac: a person who drinks alcohol to excess habitually

Other synonyms of boozer include alcoholic, alky, lush, soaker, souse.

boozer (noun)	dipsomaniac (noun)
a person who drinks alcohol to excess habitually	a person who drinks alcohol to excess habitually