operate vs dial

operate is not a noun while dial is a noun.

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

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

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

operate (noun)	dial (noun)
	the face of a timepiece; graduated to show the hours
	a disc on a telephone that is rotated a fixed distance for each number called
	the circular graduated indicator on various measuring instruments
	the control on a radio or television set that is used for tuning

operate (verb)	dial (verb)
perform surgery on	choose by means of a dial
perform a movement in military or naval tactics in order to secure an advantage in attack or defense	operate a dial to select a telephone number
handle and cause to function
keep engaged
perform as expected when applied
direct or control; projects, businesses, etc.