Know
Know verb - To have a practical understanding of.
Should
Should verb - To be under necessity or obligation to.
Both words in one sentence
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He tells her she doesn't need to know and should treat him as an employee, not a friend.
Source: Film / Man on Fire -
Boxers mostly need to know two things, how hard they should hit the opponent and where they should hit the opponent.
Source: When All You Have Is a Hammer - Eats Babies: It is given a ranking on the Karma Meter, that should tell you all you need to know.
Cite this Source
Should and Know. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/know/should
Know & Should. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/know/should>.
Should or Know. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/know/should.
Google Ngram Viewer shows how "know" and "should" have occurred on timeline