operate vs pilot

operate is not a noun while pilot is a noun.

Word	Noun	Adjective	Verb	Adverb
operate	No	No	Yes	No
pilot	Yes	No	Yes	No

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

Other hyponyms of operate include synchronise, synchronize, dial, turn, submarine, treadle, relay, gate, pedal, drive, aviate, fly.

operate (noun)	pilot (noun)
	small auxiliary gas burner that provides a flame to ignite a larger gas burner
	an inclined metal frame at the front of a locomotive to clear the track
	something that serves as a model or a basis for making copies
	a program exemplifying a contemplated series; intended to attract sponsors
	someone who is licensed to operate an aircraft in flight
	a person qualified to guide ships through difficult waters going into or out of a harbor

operate (verb)	pilot (verb)
perform surgery on	operate an airplane
perform a movement in military or naval tactics in order to secure an advantage in attack or defense	act as the navigator in a car, plane, or vessel and plan, direct, plot the path and position of the conveyance
handle and cause to function
keep engaged
perform as expected when applied
direct or control; projects, businesses, etc.