aluminium oxide vs corundom

aluminium oxide and corundom both are nouns.

Word	Noun	Adjective	Verb	Adverb
aluminium oxide	Yes	No	No	No
corundom	Yes	No	No	No

As nouns, corundom is a hypernym of aluminium oxide; that is, corundom is a word with a broader meaning than aluminium oxide:

aluminium oxide: any of various forms of aluminum oxide occurring naturally as corundum
corundom: very hard mineral used as an abrasive

Other hypernyms of aluminium oxide include corundum.

aluminium oxide (noun)	corundom (noun)
any of various forms of aluminum oxide occurring naturally as corundum	very hard mineral used as an abrasive