gin vs hard liquor

gin and hard liquor both are nouns.

Word	Noun	Adjective	Verb	Adverb
gin	Yes	No	Yes	No
hard liquor	Yes	No	No	No

As nouns, hard liquor is a hypernym of gin; that is, hard liquor is a word with a broader meaning than gin:

Other hypernyms of gin include booze, hard drink, John Barleycorn, liquor, spirits, strong drink.

gin (noun)	hard liquor (noun)
a form of rummy in which a player can go out if the cards remaining in their hand total less than 10 points	an alcoholic beverage that is distilled rather than fermented
a machine that separates the seeds from raw cotton fibers
a trap for birds or small mammals; often has a slip noose
strong liquor flavored with juniper berries

gin (verb)	hard liquor (verb)
trap with a snare
separate the seeds from (cotton) with a cotton gin