rum vs demerara

rum and demerara both are nouns.

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

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

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

rum (noun)	demerara (noun)
a card game based on collecting sets and sequences; the winner is the first to meld all their cards	light brown cane sugar; originally from Guyana
liquor distilled from fermented molasses	dark rum from Guyana
	a light brown raw cane sugar from Guyana

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