gestation vs sex

gestation and sex both are nouns.

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

gestation (noun)	sex (noun)
the conception and development of an idea or plan	activities associated with sexual intercourse
the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus	the properties that distinguish organisms on the basis of their reproductive roles
the period during which an embryo develops (about 266 days in humans)	all of the feelings resulting from the urge to gratify sexual impulses
	either of the two categories (male or female) into which most organisms are divided

gestation (verb)	sex (verb)
	tell the sex (of young chickens)
	to evoke sexual feelings