nonreal
nonrectifying
nonrecursive
non-resident
non-return
non-return-to-zero
non-Roman-alphabetic
non-self-checking
non-sign-change
non-specific
  non-standard
non-switched
non-terminating
non-uniform
non-Von-Neumann
non-weighted
no-op
no-operation
no-signal
notch
no-wait