degrade vs sexual activity

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

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

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

degrade (verb)	sexual activity (verb)
lower the grade of something; reduce its worth
reduce the level of land, as by erosion
reduce in worth or character, usually verbally