hydrated aluminum oxide vs aluminum hydroxide

hydrated aluminum oxide and aluminum hydroxide both are nouns.

Word	Noun	Adjective	Verb	Adverb
hydrated aluminum oxide	Yes	No	No	No
aluminum hydroxide	Yes	No	No	No

As nouns, hydrated aluminum oxide and aluminum hydroxide are synonyms defined as:

hydrated aluminum oxide and aluminum hydroxide: white crystalline compound that occurs naturally as the mineral gibbsite

Other synonyms of hydrated aluminum oxide include aluminium hydroxide, hydrated aluminium oxide.

hydrated aluminum oxide (noun)	aluminum hydroxide (noun)
white crystalline compound that occurs naturally as the mineral gibbsite	white crystalline compound that occurs naturally as the mineral gibbsite