Once
Once adverb - At an earlier or previous time.
So far
Mutual synonyms
Both terms in one sentence
- So far, this has happened to Ash twice, once in Sinnoh (along with Pikachu) and once in Unova.
Source: Balloon Belly / Anime and Manga - Later, she is told about (but so far does not actually do it herself) using two massive MR-7 railguns at once.
Source: Fan Fic / Heroes Of The Desk -
Only 2 or 3 chapters so far—in 40 chapters—have included most of the main characters at once.
Source: Loads and Loads of Characters
Cite this Source
So far and Once. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/once/so_far
Once & So far. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/once/so_far>.
So far or Once. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/once/so_far.
Google Ngram Viewer shows how "once" and "so far" have occurred on timeline