sex vs pinnacle

sex and pinnacle both are nouns.

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

sex (noun)	pinnacle (noun)
activities associated with sexual intercourse	(architecture) a slender upright spire at the top of a buttress or tower
the properties that distinguish organisms on the basis of their reproductive roles	a lofty peak
all of the feelings resulting from the urge to gratify sexual impulses	the highest level or degree attainable; the highest stage of development
either of the two categories (male or female) into which most organisms are divided

sex (verb)	pinnacle (verb)
tell the sex (of young chickens)	raise on or as if on a pinnacle
to evoke sexual feelings	surmount with a pinnacle