buttressed vs supported

buttressed and supported both are adjectives.

Word	Noun	Adjective	Verb	Adverb
buttressed	No	Yes	No	No
supported	No	Yes	No	No

buttressed (adjective)	supported (adjective)
held up by braces or buttresses	held up or having the weight borne especially from below
	sustained or maintained by aid (as distinct from physical support)