arborical vs arborous

arborical and arborous both are adjectives.

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

As adjectives, arborical and arborous are synonyms defined as:

Other synonyms of arborical include arborary, arboreal.

arborical (adjective)	arborous (adjective)
of or relating to or formed by trees	of or relating to or formed by trees