nix (n.)
- abnegation
- aught
- cipher
- contradiction
- declension
- declination
- denial
- deprivation
- disagreement
- disclaimer
- disobedience
- dissent
- kelpie
- kill
- mermaid
- merman
- nada
- naiad
- naught
- nay
- naysaying
- negation
- negative
- negativeness
- negativism
- negativity
- nihil
- nil
- nit
- no
- nonacceptance
- noncompliance
- nonobservance
- nothing
- recantation
- refusal
- rejection
- repudiation
- retention
- siren
- turndown
- undine
- unwillingness
- wind
- withholding
- zero
- zilch
