UNCLOS
"unclos" is a 6-letter English headword indexed on PlainSpell.
The verdict
“UNCLOS” is uncommon English (frequency #87,940 among 23,789 “U” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #87,940
- frequency rank, English
- 23,789
- “U” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Acronym of United Nations Convention on the Law of the Sea.
| Property | Value |
|---|---|
| Headword | UNCLOS |
| Language | English |
| Part of speech | Proper noun |
| Letters | 6 |
| Frequency rank | #87,940 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “UNCLOS” sits in English frequency
Rare enough to double-check
UNCLOS is uncommon English at frequency #87,940 among 23,789 “U” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "Acronym of United Nations Convention on the Law of the Sea.".
We couldn't generate a plausible misspelling set for UNCLOS, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.
Wiktionary doesn't record an etymology for this headword, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is UNCLOS, spelled U-N-C-L-O-S.
Definition
- 1Acronym of United Nations Convention on the Law of the Sea.
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
How do you spell "UNCLOS"?
What does "UNCLOS" mean?
What language does "UNCLOS" come from?
Is PlainSpell free to use?
Using “UNCLOS”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-N-C-L-O-S - 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.