Behind one
Once and behind one are semantically related. in olden topic. In some cases you can use "Once" instead an adjective phrase "Behind one".
Once
Once adjective - Having been such at some previous time.
Behind one and once are semantically related. Sometimes you can use "Behind one" instead an adjective "Once".
Mutual synonyms
Both terms in one sentence
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The plot concerns an upcoming double eclipse in which both suns are behind one of the moons at once.
Source: Binary Suns -
Though she's rather violent when behind one of the tanks cooked up with her engineering skills and able to go toe to toe with the Plot Armor imbued main character, once she's out of her iron box she's little more then a sniveling little girl.
Source: Badass Normal / Video Games -
Rei in Breath of Fire III can open some locked doors, but the number of times it's used to advance the plot is exactly once near the beginning of the game and the best item you can find behind one of the doors he can open is a fishing rod.
Source: Master of Unlocking
Cite this Source
Once and Behind one. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/behind_one/once
Behind one & Once. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/behind_one/once>.
Once or Behind one. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/behind_one/once.
Google Ngram Viewer shows how "behind one" and "once" have occurred on timeline