incline vs ski jump

incline and ski jump both are nouns.

Word	Noun	Adjective	Verb	Adverb
incline	Yes	No	Yes	No
ski jump	Yes	No	Yes	No

As nouns, ski jump is a hyponym of incline; that is, ski jump is a word with a more specific, narrower meaning than incline:

incline (noun)	ski jump (noun)
an inclined surface connecting two levels	a steep downward ramp from which skiers jump
an elevated geological formation

incline (verb)	ski jump (verb)
make receptive or willing towards an action or attitude or belief	jump on skis
feel favorably disposed or willing
be at an angle
lower or bend (the head or upper body), as in a nod or bow
bend or turn (one's ear) towards a speaker in order to listen well
have a tendency or disposition to do or be something; be inclined