peak vs sex activity

peak and sex activity both are nouns.

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

peak (noun)	sex activity (noun)
a brim that projects to the front to shade the eyes	activities associated with sexual intercourse
the top or extreme point of something (usually a mountain or hill)
the highest point (of something)
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

peak (verb)	sex activity (verb)
to reach the highest point; attain maximum intensity, activity