rum vs Jamaica rum

rum and Jamaica rum both are nouns.

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

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

Other hyponyms of rum include grog, demerara, demerara rum.

rum (noun)	Jamaica rum (noun)
a card game based on collecting sets and sequences; the winner is the first to meld all their cards	heavy pungent rum from Jamaica
liquor distilled from fermented molasses

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