QSO
"qso" is a 3-letter English headword indexed on PlainSpell.
The verdict
“QSO” is uncommon English (outside the top frequency list), classed as a verb. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 3
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - To communicate (with) by means of amateur radio.
| Property | Value |
|---|---|
| Headword | QSO |
| Language | English |
| Part of speech | Verb |
| Letters | 3 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “QSO” sits in English frequency
Rare enough to double-check
QSO is uncommon English outside the top frequency list, classed as averb. Rarity is why readers land here mid-draft. Gloss: "To communicate (with) by means of amateur radio.".
No misspelling variants are generated for QSO in our index, since its letter pattern doesn't lend itself to common typo substitutions. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.
No explicit etymology string is stored for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is QSO, spelled Q-S-O.
Definition
- 1To communicate (with) by means of amateur radio.
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 "QSO"?
What does "QSO" mean?
What language does "QSO" come from?
Is PlainSpell free to use?
Using “QSO”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is Q-S-O - 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.