Contain
Require
Require verb - To have as a requirement.
Common collocations
Both words in one sentence
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Batteries with lithium-based chemistries contain volatile compounds that react violently with plain old air and require some pretty serious precautions in the design to prevent such a disaster.
Source: Perilous Power Source - The Eye of the Beholder games and the first Lands of Lore game contain tiles that spin you around when you stand on them and require compass watching.
- A six-card hand (counting Final Destiny itself) in a well-built Deck would probably contain two or three options to take out your opponent's field anyway, and those options wouldn't require you to cripple yourself.
Source: Useless Useful Spell
Cite this Source
Require and Contain. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/contain/require
Contain & Require. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/contain/require>.
Require or Contain. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/contain/require.
Google Ngram Viewer shows how "contain" and "require" have occurred on timeline