sexual activity vs breast

sexual activity and breast both are nouns.

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

sexual activity (noun)	breast (noun)
activities associated with sexual intercourse	the part of an animal's body that corresponds to a person's chest
	either of two soft fleshy milk-secreting glandular organs on the chest of a woman
	the front of the trunk from the neck to the abdomen
	meat carved from the breast of a fowl

sexual activity (verb)	breast (verb)
	confront bodily
	reach the summit (of a mountain)
	meet at breast level