Affirm
Affirm verb - To state as a fact usually forcefully.
Nullify
Nullify verb - To put an end to by formal action.
Cite this Source
Nullify and Affirm. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/affirm/nullify
Affirm & Nullify. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/affirm/nullify>.
Nullify or Affirm. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/affirm/nullify.
Google Ngram Viewer shows how "affirm" and "nullify" have occurred on timeline