hydrated aluminium oxide vs aluminium hydroxide

hydrated aluminium oxide and aluminium hydroxide both are nouns.

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

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

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

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

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