aluminum oxide vs corundom

aluminum oxide and corundom both are nouns.

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

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

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

Other hypernyms of aluminum oxide include corundum.

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