fastigiate vs upright

fastigiate is not a noun while upright is a noun.

Word	Noun	Adjective	Verb	Adverb
fastigiate	No	Yes	No	No
upright	Yes	Yes	No	No

fastigiate (noun)	upright (noun)
	a piano with a vertical sounding board
	a vertical structural member as a post or stake

fastigiate (adjective)	upright (adjective)
having clusters of erect branches (often appearing to form a single column)	upright in position or posture
	of moral excellence
	in a vertical position; not sloping