dipsomaniac vs rummy

dipsomaniac and rummy both are nouns.

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

As nouns, rummy is a hypernym of dipsomaniac; that is, rummy is a word with a broader meaning than dipsomaniac:

Other hypernyms of dipsomaniac include drunk, drunkard, inebriate, sot, wino.

dipsomaniac (noun)	rummy (noun)
a person who drinks alcohol to excess habitually	a card game based on collecting sets and sequences; the winner is the first to meld all their cards
	a chronic drinker

dipsomaniac (adjective)	rummy (adjective)
	beyond or deviating from the usual or expected