pretentious vs flamboyant

pretentious is not a noun while flamboyant is a noun.

Word	Noun	Adjective	Verb	Adverb
pretentious	No	Yes	No	No
flamboyant	Yes	Yes	No	No

pretentious (noun)	flamboyant (noun)
	showy tropical tree or shrub native to Madagascar; widely planted in tropical regions for its immense racemes of scarlet and orange flowers; sometimes placed in genus Poinciana

pretentious (adjective)	flamboyant (adjective)
making claim to or creating an appearance of (often undeserved) importance or distinction	elaborately or excessively ornamented
intended to attract notice and impress others	marked by ostentation but often tasteless
(of a display) tawdry or vulgar