Certification
Certification noun - A written or printed paper giving information about or proof of something.
Secret
Secret noun - Information shared only with another or with a select few.
Certification is an antonym for secret.
Both words in one sentence
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Dark Secret: Throughout the first part of the story Fluttershy's thoughts frequently imply that there is a problem with her fog certification.
Source: Fanfic / Flash Fog - Lander University's Hero Certification Program is located in a secret underground section of the campus.
Source: Everyone Is a Super - This trope is actually grounds for expulsion from the Hero Certification Program, whose students are required to keep the fact that they're Supers and in the program a secret from everyone outside the program.
Source: Cover-Blowing Superpower
Cite this Source
Secret and Certification. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/certification/secret
Certification & Secret. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/certification/secret>.
Secret or Certification. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/certification/secret.
Google Ngram Viewer shows how "certification" and "secret" have occurred on timeline