aluminum hydroxide vs hydrated aluminum oxide

aluminum hydroxide and hydrated aluminum oxide both are nouns.

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

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

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

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

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