customs union
"customs-union" is a 12-letter English headword indexed on PlainSpell.
The verdict
“customs union” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A type of trade bloc which is composed of a free trade area with a common external tariff.
Corpus desk
Index EN-customs-union · customs union · English
customs union · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 13 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "C" thin
- PHOTO-UNK Peer pending
Read with this headword: Spelling guide for this pattern
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | customs union |
| Language | English |
| Part of speech | Noun |
| Letters | 13 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “customs union” in English
Rare enough to double-check
customs union is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A type of trade bloc which is composed of a free trade area with a common external tariff.".
No generated misspelling entries exist for customs union in our index, since its letter sequence doesn't invite the usual edit-distance slips. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is customs union, spelled C-U-S-T-O-M-S- -U-N-I-O-N.
Definition
- 1A type of trade bloc which is composed of a free trade area with a common external tariff.
Recorded use
Wiktionary exampleThese source excerpts show how customs union appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
It appears the whole UK will remain in the customs union, so there are no tariff divergences or checks either on the island of Ireland or within the United Kingdom.
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). See the methodology for how each field is sourced and updated.