Certify
Certify verb - To declare (something) to be true or genuine.
Conceal
Conceal verb - To put into a hiding place.
Cite this Source
Conceal and Certify. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/certify/conceal
Certify & Conceal. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/certify/conceal>.
Conceal or Certify. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/certify/conceal.
Google Ngram Viewer shows how "certify" and "conceal" have occurred on timeline