aluminium hydroxide vs aluminum hydroxide

aluminium hydroxide and aluminum hydroxide both are nouns.

Word	Noun	Adjective	Verb	Adverb
aluminium hydroxide	Yes	No	No	No
aluminum hydroxide	Yes	No	No	No

As nouns, aluminium hydroxide and aluminum hydroxide are synonyms defined as:

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

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

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