operate vs pedal

operate is not a noun while pedal is a noun.

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

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

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

operate (noun)	pedal (noun)
	a lever that is operated with the foot
	a sustained bass note

operate (adjective)	pedal (adjective)
	of or relating to the feet

operate (verb)	pedal (verb)
perform surgery on	operate the pedals on a keyboard instrument
perform a movement in military or naval tactics in order to secure an advantage in attack or defense	ride a bicycle
handle and cause to function
keep engaged
perform as expected when applied
direct or control; projects, businesses, etc.