abradant vs carborundum

abradant and carborundum both are nouns.

Word	Noun	Adjective	Verb	Adverb
abradant	Yes	No	No	No
carborundum	Yes	No	No	No

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

Other hyponyms of abradant include steel wool, wire wool, emery cloth, emery paper, sandpaper.

abradant (noun)	carborundum (noun)
a tool or machine used for wearing down or smoothing or polishing	an abrasive composed of silicon carbide crystals
a substance that abrades or wears down