infix vs input

infix and input both are nouns.

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

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

infix (noun)	input (noun)
an affix that is inserted inside the word	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

infix (verb)	input (verb)
attach a morpheme into a stem word	enter (data or a program) into a computer
put or introduce into something