sex vs climax

sex and climax both are nouns.

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

sex (noun)	climax (noun)
activities associated with sexual intercourse	the moment of most intense pleasure in sexual intercourse
the properties that distinguish organisms on the basis of their reproductive roles	the decisive moment in a novel or play
all of the feelings resulting from the urge to gratify sexual impulses	arrangement of clauses in ascending order of forcefulness
either of the two categories (male or female) into which most organisms are divided	the highest point of anything conceived of as growing or developing or unfolding
	the most severe stage of a disease

sex (verb)	climax (verb)
tell the sex (of young chickens)	end, especially to reach a final or climactic stage
to evoke sexual feelings