knocker vs sex

knocker and sex both are nouns.

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

knocker (noun)	sex (noun)
a device (usually metal and ornamental) attached by a hinge to a door	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
one who disparages or belittles the worth of something	all of the feelings resulting from the urge to gratify sexual impulses
a person who knocks (as seeking to gain admittance)	either of the two categories (male or female) into which most organisms are divided
(Yiddish) a big shot who knows it and acts that way; a boastful immoderate person

knocker (verb)	sex (verb)
	tell the sex (of young chickens)
	to evoke sexual feelings