parachute vs skydive

parachute is a noun but skydive is not a noun.

Word	Noun	Adjective	Verb	Adverb
parachute	Yes	No	Yes	No
skydive	No	No	Yes	No

As verbs, skydive is a hyponym of parachute; that is, skydive is a word with a more specific, narrower meaning than parachute:

parachute: jump from an airplane and descend with a parachute
skydive: jump from an airplane and perform various maneuvers before opening one's parachute

Other hyponyms of parachute include sky dive.

parachute (noun)	skydive (noun)
rescue equipment consisting of a device that fills with air and retards your fall

parachute (verb)	skydive (verb)
jump from an airplane and descend with a parachute	jump from an airplane and perform various maneuvers before opening one's parachute