OUP
"oup" is a 3-letter English headword indexed on PlainSpell.
The verdict
“OUP” is uncommon English (frequency #66,167 among 15,494 “O” headwords), classed as a proper noun. The kind of spelling people second-guess.
- #66,167
- frequency rank, English
- 15,494
- “O” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Initialism of Oxford University Press.
Corpus desk
Index EN-oup · OUP · English
OUP · rank #66,167 · 0 variants · 0 confusables
- FREQ-RARE #66,167
- LEN-MID 3 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 15,494
- PHOTO-FINISH outstrip
Nearest frequency peer: outstrip (+1 rank slots)
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.
Frequency neighbourhood for “OUP”
Lower corpus rank = more everyday usage (inverted bar length for readability)
- opticians
opticians
33,838 corpus weight
- organometal…
organometallic
33,837 corpus weight
- orientalist
orientalist
33,836 corpus weight
- OUP
OUP
33,834 corpus weight
- outstrip
outstrip
33,833 corpus weight
- oversea
oversea
33,830 corpus weight
What this shows Bars show where “OUP” sits against the nearest ranked English headwords in the FrequencyWords band, not a reprint of letter-browse containment.
| Property | Value |
|---|---|
| Headword | OUP |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #66,167 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “OUP” sits in English frequency
Rare enough to double-check
OUP is uncommon English at frequency #66,167 among 15,494 “O” headwords, classed as aproper noun. Rarity is why readers land here mid-draft. Gloss: "Initialism of Oxford University Press.".
No generated misspelling entries exist for OUP in our index, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
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 OUP, spelled O-U-P.
Definition
- 1Initialism of Oxford University Press.
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.
PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.
Frequently Asked Questions
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "OUP", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency 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.