boozer vs alky

boozer and alky both are nouns.

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

As nouns, boozer and alky are synonyms defined as:

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

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