post box
"post-box" is a 7-letter English headword indexed on PlainSpell.
The verdict
“post box” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A box in which post can be left by a sender to be picked up by a courier or postman (postal worker).
| Property | Value |
|---|---|
| Headword | post box |
| Language | English |
| Part of speech | Noun |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “post box” sits in English frequency
Rare enough to double-check
post box is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.
No generated misspelling entries exist for post box in our index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From post + box. The correct English form is post box, spelled P-O-S-T- -B-O-X.
Definition
- 1A box in which post can be left by a sender to be picked up by a courier or postman (postal worker).
- 2A box or slot into which a courier or postal worker puts letters for a recipient to collect.
Etymology
From post + box.
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 “post box”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-O-S-T- -B-O-X - 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.