liquor vs rum

liquor and rum both are nouns.

Word	Noun	Adjective	Verb	Adverb
liquor	Yes	No	No	No
rum	Yes	Yes	No	No

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

liquor (noun)	rum (noun)
an alcoholic beverage that is distilled rather than fermented	a card game based on collecting sets and sequences; the winner is the first to meld all their cards
the liquid in which vegetables or meat have been cooked	liquor distilled from fermented molasses
a liquid substance that is a solution (or emulsion or suspension) used or obtained in an industrial process

liquor (adjective)	rum (adjective)
	beyond or deviating from the usual or expected