Allow
Should
Should verb - To be under necessity or obligation to.
Both words in one sentence
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Most noticeably, they have a second pair of arms where their legs should be, to allow them to climb instead of walk around the spaceships.
Source: Human Subspecies - He ends up with a choice: should he try to save a terminally ill man and destroy much of his research notes, or should he preserve the researcher's life work and allow him to die?
Source: Literature / Doctor Pavlysh -
Based on the Pinzgauer chassis, the British upped its protection levels and even use it as a lighter alternative to the Mastiff 3 should the situation allow for it.
Cite this Source
Should and Allow. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/allow/should
Allow & Should. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/allow/should>.
Should or Allow. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/allow/should.
Google Ngram Viewer shows how "allow" and "should" have occurred on timeline