proteasome
"proteasome" is a 10-letter English headword indexed on PlainSpell.
The verdict
“proteasome” is uncommon English (frequency #82,690 among 46,516 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #82,690
- frequency rank, English
- 46,516
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A complex protein, found in bacterial, archeal and eukaryotic cells, that breaks down other proteins via proteolysis.
| Property | Value |
|---|---|
| Headword | proteasome |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #82,690 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “proteasome” sits in English frequency
Rare enough to double-check
proteasome is uncommon English at frequency #82,690 among 46,516 “P” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A complex protein, found in bacterial, archeal and eukaryotic cells, that breaks down other proteins via proteolysis.".
No generated misspelling entries exist for proteasome in our index, a straightforward case of a spelling with little room for common typos. This entry stands alone in our confusable dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From protease + -some. The correct English form is proteasome, spelled P-R-O-T-E-A-S-O-M-E.
Definition
- 1A complex protein, found in bacterial, archeal and eukaryotic cells, that breaks down other proteins via proteolysis.
Etymology
From protease + -some.
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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Using “proteasome”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is P-R-O-T-E-A-S-O-M-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Other uncommon English words near this 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.