Discover
Discover verb - To come to an awareness of.
Usage example: I was startled to discover that my keys were missing
Observe is a synonym for discover in notice topic. In some cases you can use "Observe" instead a verb "Discover", when it comes to topics like ascertain, find, catch sight of. popular alternative
Mutual synonyms
Common collocations
Both words in one sentence
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One of Mithrils agents would observe him via the scope of a rifle, and was amused to discover that Sousuke became visually agitated when he did this.
Source: Spider-Sense -
She only needed to observe a house-sized tank to discover its strong and weak points.
Source: Awesomeness by Analysis - She only needed to observe Squealer's house-sized tank to discover its strong and weak points.
Source: Fanfic / Wonderful
Cite this Source
Observe and Discover. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/discover/observe
Discover & Observe. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/discover/observe>.
Observe or Discover. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/discover/observe.
Google Ngram Viewer shows how "discover" and "observe" have occurred on timeline