racy vs sex activity

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

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

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

racy (adjective)	sex 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