pretense vs pretentious

pretense is a noun but pretentious is not a noun.

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

pretense (noun)	pretentious (noun)
the act of giving a false appearance
a false or unsupportable quality
an artful or simulated semblance
imaginative intellectual play
pretending with intention to deceive

pretense (adjective)	pretentious (adjective)
	making claim to or creating an appearance of (often undeserved) importance or distinction
	intended to attract notice and impress others
	(of a display) tawdry or vulgar