U.S. of A.
"u-s-of-a" is a 5-letter English headword indexed on PlainSpell.
The verdict
“U.S. of A.” is outside the top-ranked English vocabulary, used as a proper noun - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 10
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Abbreviation of United States of America.
| Property | Value |
|---|---|
| Headword | U.S. of A. |
| Language | English |
| Part of speech | Proper noun |
| Letters | 10 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “U.S. of A.” sits in English frequency
Spelling & Dictionary Insight
The English entry for U.S. of A. is 10 letters long, classified as a proper noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Abbreviation of United States of America.".
Our edit-distance generator produced no likely misspellings for U.S. of A., suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
Wiktionary doesn't record an etymology 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 U.S. of A., spelled U-.-S-.- -O-F- -A-..
Definition
- 1Abbreviation of United States of America.
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
How do you spell "U.S. of A."?
What does "U.S. of A." mean?
What language does "U.S. of A." come from?
Is PlainSpell free to use?
Using “U.S. of A.”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is U-.-S-.- -O-F- -A-. - 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.