sex vs breast

sex and breast both are nouns.

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

sex (noun)	breast (noun)
activities associated with sexual intercourse	the part of an animal's body that corresponds to a person's chest
the properties that distinguish organisms on the basis of their reproductive roles	either of two soft fleshy milk-secreting glandular organs on the chest of a woman
all of the feelings resulting from the urge to gratify sexual impulses	the front of the trunk from the neck to the abdomen
either of the two categories (male or female) into which most organisms are divided	meat carved from the breast of a fowl

sex (verb)	breast (verb)
tell the sex (of young chickens)	confront bodily
to evoke sexual feelings	reach the summit (of a mountain)
	meet at breast level