pinnacle vs sex activity

pinnacle and sex activity both are nouns.

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

pinnacle (noun)	sex activity (noun)
(architecture) a slender upright spire at the top of a buttress or tower	activities associated with sexual intercourse
a lofty peak
the highest level or degree attainable; the highest stage of development

pinnacle (verb)	sex activity (verb)
raise on or as if on a pinnacle
surmount with a pinnacle