osculation vs sex

osculation and sex both are nouns.

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

osculation (noun)	sex (noun)
the act of caressing with the lips (or an instance thereof)	activities associated with sexual intercourse
(mathematics) a contact of two curves (or two surfaces) at which they have a common tangent	the properties that distinguish organisms on the basis of their reproductive roles
	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

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