coster
"coster" is a 6-letter English headword indexed on PlainSpell.
The verdict
“coster” is uncommon English (frequency #57,309 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #57,309
- frequency rank, English
- 43,570
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Clipping of costermonger.
| Property | Value |
|---|---|
| Headword | coster |
| Language | English |
| Part of speech | Noun |
| Letters | 6 |
| Frequency rank | #57,309 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “coster” sits in English frequency
Rare enough to double-check
coster is uncommon English at frequency #57,309 among 43,570 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
Zero misspellings are on record for coster in our index, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, a sign it's visually distinctive enough not to be mixed up with another word.
No explicit etymology string is stored for this entry, 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 coster, spelled C-O-S-T-E-R.
Definition
- 1Clipping of costermonger.
- 2A costard: a large apple good for cooking; any apple.
- 3Any of various nymphalid butterflies of the genus Acraea.
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 “coster”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-S-T-E-R - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this rank
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.