input vs turnoff

input and turnoff both are nouns.

Word	Noun	Adjective	Verb	Adverb
input	Yes	No	Yes	No
turnoff	Yes	No	No	No

As nouns, turnoff is a hyponym of input; that is, turnoff is a word with a more specific, narrower meaning than input:

input (noun)	turnoff (noun)
a component of production; something that goes into the production of output	a side road where you can turn off
any stimulating information or event; acts to arouse action	something causing antagonism or loss of interest
signal going into an electronic system
a statement that expresses a personal opinion or belief or adds information

input (verb)	turnoff (verb)
enter (data or a program) into a computer