breast vs sex activity

breast and sex activity both are nouns.

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

breast (noun)	sex activity (noun)
the part of an animal's body that corresponds to a person's chest	activities associated with sexual intercourse
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

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