The best replacement for inputs is input.

The best alternatives to inputs are rated as following:
★★★★★  input
★★★★★  outputs
★★★  resources
★★★  unbalanced
★★  outputs business
★★  factors of production
★★  single ended
★★  analog inputs
★  inputs
★  digital inputs
  hdmi inputs
  loc
  component inputs
  low level inputs
  4 hdmi inputs
  line level inputs

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Speaking about inputs, one probably shouldn't forget about scanf.

Other search terms related to inputs and their ratings are:
★★★★★ scanf
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