As and Once

Related words

mutual synonyms

As

As conjunction - At or during the time that.
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Synonyms for As
Once and as are semantically related. In some cases you can use "Once" instead a conjunction "As".

Once

Once adjective - Having been such at some previous time.
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Synonyms for Once
Antonyms for Once
As and once are semantically related. Sometimes you can use "As" instead a conjunction "Once".

Mutual synonyms

Cite this Source
Once and As. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/as/once
As & Once. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/as/once>.
Once or As. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/as/once.

Synonyms for as


Synonyms for once

Google Ngram Viewer shows how "as" and "once" have occurred on timeline