sex vs boob

sex and boob both are nouns.

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

sex (noun)	boob (noun)
activities associated with sexual intercourse	either of two soft fleshy milk-secreting glandular organs on the chest of a woman
the properties that distinguish organisms on the basis of their reproductive roles	an ignorant or foolish person
all of the feelings resulting from the urge to gratify sexual impulses
either of the two categories (male or female) into which most organisms are divided

sex (verb)	boob (verb)
tell the sex (of young chickens)	commit a faux pas or a fault or make a serious mistake
to evoke sexual feelings