coprocessor
"coprocessor" is a 11-letter English headword indexed on PlainSpell.
The verdict
“coprocessor” is uncommon English (frequency #89,256 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #89,256
- frequency rank, English
- 5,599
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An additional microprocessor used to supplement the functionality of the central processing unit, performing tasks such as floating-point arithmetic (floating-point unit) or graphics calculations (...
Corpus desk
Index EN-coprocessor · coprocessor · English
coprocessor · rank #89,256 · 0 variants · 0 confusables
- FREQ-RARE #89,256
- LEN-MEGA 11 letters
- VOW-4 4 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-DENSE 5,599
- PHOTO-FINISH copiously
Nearest frequency peer: copiously (-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.
Long-tail ranks near “coprocessor”
Sparse band: bars invert rank so rarer forms read shorter
- Comeau
Comeau
10,754 corpus weight
- copiously
copiously
10,746 corpus weight
- coprocessor
coprocessor
10,745 corpus weight
- Corbet
Corbet
10,743 corpus weight
- crossbreed
crossbreed
10,738 corpus weight
- Crossland
Crossland
10,736 corpus weight
What this shows Long-tail view: where “coprocessor” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | coprocessor |
| Language | English |
| Part of speech | Noun |
| Letters | 11 |
| Frequency rank | #89,256 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “coprocessor” in English
Rare enough to double-check
coprocessor is uncommon English at frequency #89,256 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "An additional microprocessor used to supplement the functionality of the central processing unit, performing tasks such as floating-point arithmetic (floating-point unit) or graphics calculations (...".
No misspelling variants are generated for coprocessor in our index, suggesting the orthography follows predictable English patterns. Our confusable-pair dataset has no match for it, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
Etymologically, the entry records: From co- + processor. The correct English form is coprocessor, spelled C-O-P-R-O-C-E-S-S-O-R.
Definition
- 1An additional microprocessor used to supplement the functionality of the central processing unit, performing tasks such as floating-point arithmetic (floating-point unit) or graphics calculations (graphics processing unit).
Etymology
From co- + processor.
This word in other languages
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 "coprocessor", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 11 letters (nearest by frequency rank).