parasailing vs sailing

parasailing and sailing both are nouns.

Word	Noun	Adjective	Verb	Adverb
parasailing	Yes	No	No	No
sailing	Yes	No	No	No

As nouns, sailing is a hypernym of parasailing; that is, sailing is a word with a broader meaning than parasailing:

Other hypernyms of parasailing include glide, gliding, sailplaning, soaring.

parasailing (noun)	sailing (noun)
gliding in a parasail	riding in a sailboat
	the work of a sailor
	the departure of a vessel from a port
	the activity of flying a glider