Once
Once adverb - At an earlier or previous time.
Mutual synonyms
Both words in one sentence
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Jerk with a Heart of Gold: Matilda may have been strict to Baron's children and hates Maria, but she shows that she likes listening to their songs sometimes and once played games with them.
Source: Anime / Trapp Family Story - Convenience store clerks will recognize you if you try to rob them more than once and sometimes will have the cops laying in wait for you... unless you wear a mask they haven't seen before.
Source: Unexpectedly Realistic Gameplay - Sometimes this happens more than once per episode, on at least one occasion twice in rapid succession, and once together with a guest cast member.
Source: Once per Episode
Cite this Source
Sometimes and Once. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/once/sometimes
Once & Sometimes. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/once/sometimes>.
Sometimes or Once. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/once/sometimes.
Google Ngram Viewer shows how "once" and "sometimes" have occurred on timeline