QB
"qb" is a 2-letter English headword indexed on PlainSpell.
The verdict
“QB” is a regularly-used English word, ranked #9,518 in English word frequency and used as a noun.
- #9,518
- frequency rank, English
- 2
- letters
- 16
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Abbreviation of quarterback.
Visual similarity to commonly confused words
How many letter changes separate each confused pair (Levenshtein distance, normalized).
Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).
| Property | Value |
|---|---|
| Headword | QB |
| Language | English |
| Part of speech | Noun |
| Letters | 2 |
| Frequency rank | #9,518 |
| Misspellings tracked | 0 |
| Confusable pairs | 16 |
| Source | Wiktionary (kaikki.org) |
Where “QB” sits in English frequency
Spelling & Dictionary Insight
The English entry for QB is 2 letters long, classified as a noun. Corpus data places it at rank #9,518 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.
QB doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. It also participates in 16 confusable-pair relationships, "qc", "qi", "qu", and more, since the words sound or look close enough that writers reach for the wrong one mid-sentence.
This headword's origin isn't recorded in our source data, 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 QB, spelled Q-B.
Definition
- 1Abbreviation of quarterback.
- 2Abbreviation of quettabyte.
- 3Abbreviation of quebibyte.
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 "QB"?
What does "QB" mean?
What words are commonly confused with "QB"?
What language does "QB" come from?
Is PlainSpell free to use?
Using “QB”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is Q-B - every other letter order is a misspelling in standard orthography.
- Don't mix it up with “qc” - see the side-by-side comparison. QB vs qc
- 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.