sexual activity vs blood

sexual activity and blood both are nouns.

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

sexual activity (noun)	blood (noun)
activities associated with sexual intercourse	temperament or disposition
	the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets
	the hereditary derivation of an individual
	people viewed as members of a group
	a dissolute man in fashionable society

sexual activity (verb)	blood (verb)
	smear with blood, as in a hunting initiation rite, where the face of a person is smeared with the blood of the kill