skinny-dip vs swim

skinny-dip and swim both are nouns.

Word	Noun	Adjective	Verb	Adverb
skinny-dip	Yes	No	Yes	No
swim	Yes	No	Yes	No

As nouns, swim is a hypernym of skinny-dip; that is, swim is a word with a broader meaning than skinny-dip:

Other hypernyms of skinny-dip include swimming.

skinny-dip (noun)	swim (noun)
a naked swim	the act of swimming

skinny-dip (verb)	swim (verb)
bathe in the nude	travel through water
	be afloat either on or below a liquid surface and not sink to the bottom
	move as if gliding through water
	be covered with or submerged in a liquid
	be dizzy or giddy