Observation
Observation noun - A state of being aware.
Proof and observation are semantically related. In some cases you can use "Proof" instead a noun "Observation".
Proof
Proof noun - Something presented in support of the truth or accuracy of a claim.
Observation and proof are semantically related. Sometimes you can use "Observation" instead a noun "Proof".
Mutual synonyms
How words are described
Both words in one sentence
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He requires outside observation to exist, so making people hate him (especially those with a Ripple Effect-Proof Memory like Hakumen) ensures he'll be around long enough to complete his bigger plans.
Cite this Source
Proof and Observation. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/observation/proof
Observation & Proof. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/observation/proof>.
Proof or Observation. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/observation/proof.
Google Ngram Viewer shows how "observation" and "proof" have occurred on timeline