turn-on vs input

turn-on and input both are nouns.

Word	Noun	Adjective	Verb	Adverb
turn-on	Yes	No	No	No
input	Yes	No	Yes	No

As nouns, input is a hypernym of turn-on; that is, input is a word with a broader meaning than turn-on:

Other hypernyms of turn-on include stimulant, stimulation, stimulus.

turn-on (noun)	input (noun)
something causing excitement or stimulating interest	a component of production; something that goes into the production of output
	any stimulating information or event; acts to arouse action
	signal going into an electronic system
	a statement that expresses a personal opinion or belief or adds information

turn-on (verb)	input (verb)
	enter (data or a program) into a computer