OCC
"occ" is a 3-letter English headword indexed on PlainSpell.
The verdict
“OCC” sits in 20 confusable pairs (corpus #43,291) as a proper noun. The look-alike neighbours are the real trap.
- #43,291
- frequency rank, English
- 1,431
- “O” headwords
- 20
- confusable pairs
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Initialism of Office of the Comptroller of the Currency.
Corpus desk
Index EN-occ · OCC · English
OCC · rank #43,291 · 0 variants · 20 confusables
- FREQ-MID #43,291
- LEN-MID 3 letters
- VOW-1 1 vowel
- CONFUS-HIGH 20 pairs
- VAR-0 0 variants
- BOOK-MID 1,431
- PHOTO-FINISH obstetrician
Nearest frequency peer: obstetrician (-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 neighbours of confusable “OCC”
Peers at similar corpus weight, separate from look-alike pairs below
- obsolescence
obsolescence
56,712 corpus weight
- obstetrician
obstetrician
56,711 corpus weight
- OCC
OCC
56,710 corpus weight
- oceanside
oceanside
56,709 corpus weight
- Ogilvy
Ogilvy
56,708 corpus weight
- ordinal
ordinal
56,707 corpus weight
What this shows Bars place “OCC” against nearest ranked English headwords, not a reprint of the confusable-pair desk.
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 | OCC |
| Language | English |
| Part of speech | Proper noun |
| Letters | 3 |
| Frequency rank | #43,291 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Corpus rank beside confusables of “OCC”
Easy to mix with look-alikes
The spelling risk for OCC is neighbouring look-alikes ("of", "on", …), not just typos; it is aproper noun. Frequency #43,291 among 1,431 “O” headwords. Gloss: "Initialism of Office of the Comptroller of the Currency.".
OCC doesn't appear in our generated misspelling index, a straightforward case of a spelling with little room for common typos. It also participates in 20 confusable-pair relationships, "of", "on", "or", and more, where similar look or sound leads writers to substitute one word for another in context.
No explicit etymology string is stored for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct English form is OCC, spelled O-C-C.
Definition
- 1Initialism of Office of the Comptroller of the Currency.
Recorded use
Wiktionary examplesThese source excerpts show how OCC appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
No funds left Citi, which disclosed the near miss -- when a bank processes the wrong amount but is able to recover the funds -- to the Federal Reserve and the Office of the Comptroller of the Currency (OCC), the report said.
While the Trump administration is much more pro-coin, one proposal for current regulation would limit big tech companies from being able to issue their own coins without approval from the OCC, which supervises US banks.
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
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Similar English words by spelling shape
Same letter count and similar misspelling depth for "OCC", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 3 letters (nearest by frequency rank).