arborous vs arboreal

arborous and arboreal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
arborous	No	Yes	No	No
arboreal	No	Yes	No	No

As adjectives, arborous and arboreal are synonyms defined as:

Other synonyms of arborous include arborary, arborical.

arborous (adjective)	arboreal (adjective)
of or relating to or formed by trees	inhabiting or frequenting trees
	of or relating to or formed by trees
	resembling a tree in form and branching structure