yesterday but one
"yesterday-but-one" is a 15-letter English headword indexed on PlainSpell.
The verdict
“yesterday but one” is uncommon English (outside the top frequency list), classed as an adverb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 17
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Day before yesterday.
| Property | Value |
|---|---|
| Headword | yesterday but one |
| Language | English |
| Part of speech | Adverb |
| Letters | 17 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “yesterday but one” sits in English frequency
Rare enough to double-check
yesterday but one is uncommon English outside the top frequency list, classed as anadverb. Rarity is why readers land here mid-draft. Gloss: "Day before yesterday.".
No misspelling variants are generated for yesterday but one in our index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.
Etymologically, the entry records: From yesterday + but (“except for”) + one https://www.observer.ug/lifestyle/42-entertainment/44856-kataaha-has-to-sort-out-the-cracks-in-english The correct English form is yesterday but one, spelled Y-E-S-T-E-R-D-A-Y- -B-U-T- -O-N-E.
Definition
- 1Day before yesterday.
Etymology
From yesterday + but (“except for”) + one https://www.observer.ug/lifestyle/42-entertainment/44856-kataaha-has-to-sort-out-the-cracks-in-english
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “yesterday but one”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is Y-E-S-T-E-R-D-A-Y- -B-U-T- -O-N-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.