racy vs sexual activity

racy is not a noun while sexual activity is a noun.

Word	Noun	Adjective	Verb	Adverb
racy	No	Yes	No	No
sexual activity	Yes	No	No	No

racy (noun)	sexual activity (noun)
	activities associated with sexual intercourse

racy (adjective)	sexual activity (adjective)
designed or suitable for competing in a race
suggestive of sexual impropriety
full of zest or vigor
marked by richness and fullness of flavor