Nix
Nix verb - To be unwilling to grant.
Undine
Cite this Source
Undine and Nix. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/nix/undine
Nix & Undine. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/nix/undine>.
Undine or Nix. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/nix/undine.
Google Ngram Viewer shows how "nix" and "undine" have occurred on timeline