freakish vs sexual activity

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

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

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

freakish (adjective)	sexual activity (adjective)
characteristic of a freak
conspicuously or grossly unconventional or unusual
changeable