sex vs peak

sex and peak both are nouns.

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

sex (noun)	peak (noun)
activities associated with sexual intercourse	a brim that projects to the front to shade the eyes
the properties that distinguish organisms on the basis of their reproductive roles	the top or extreme point of something (usually a mountain or hill)
all of the feelings resulting from the urge to gratify sexual impulses	the highest point (of something)
either of the two categories (male or female) into which most organisms are divided	the most extreme possible amount or value
	a V shape
	the highest level or degree attainable; the highest stage of development
	the period of greatest prosperity or productivity

sex (verb)	peak (verb)
tell the sex (of young chickens)	to reach the highest point; attain maximum intensity, activity
to evoke sexual feelings