1st
/fɝst/
"1st" is a 2-letter English headword indexed on PlainSpell.
The verdict
“1st” sits in 3 confusable pairs (corpus #1,549) as an adjective. The look-alike neighbours are the real trap.
- #1,549
- frequency rank, English
- 181
- “1” headwords
- 3
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Abbreviation of first.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | 1st |
| Language | English |
| Part of speech | Adjective |
| IPA | /fɝst/ |
| Letters | 3 |
| Frequency rank | #1,549 |
| Misspellings tracked | 0 |
| Confusable pairs | 3 |
| Source | Wiktionary (kaikki.org) |
Where “1st” sits in English frequency
Easy to mix with look-alikes
The spelling risk for 1st is neighbouring look-alikes ("1v1", "1", …), not just typos; it is anadjective pronounced /fɝst/. Frequency #1,549 among 181 “1” headwords. Gloss: "Abbreviation of first.".
We couldn't generate a plausible misspelling set for 1st, typically a sign the spelling maps closely to how the word sounds. It also participates in 3 confusable-pair relationships, "1v1", "1", "1d", a pairing that trips writers up because the two words share enough sound or shape to blur together.
No documented word history exists for this headword, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is 1st, spelled 1-S-T.
Definition
- 1Abbreviation of first.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “1st”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is 1-S-T - every other letter order is a misspelling in standard orthography.
- Say it as /fɝst/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Don't mix it up with “1v1” - see the side-by-side comparison. 1st vs 1v1
- Browse more English words and confusable pairs in the same reference. English words
Words at a similar English frequency
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.