proteinase
"proteinase" is a 10-letter English headword indexed on PlainSpell.
The verdict
“proteinase” is uncommon English (frequency #98,601 among 4,417 “P” headwords), classed as a noun. The kind of spelling people second-guess.
- #98,601
- frequency rank, English
- 4,417
- “P” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - protease
Corpus desk
Index EN-proteinase · proteinase · English
proteinase · rank #98,601 · 0 variants · 0 confusables
- FREQ-RARE #98,601
- LEN-MEGA 10 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 4,417
- PHOTO-FINISH prophetically
Nearest frequency peer: prophetically (-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 “proteinase”
Sparse band: bars invert rank so rarer forms read shorter
- procreative
procreative
1,404 corpus weight
- prophetical…
prophetically
1,401 corpus weight
- proteinase
proteinase
1,400 corpus weight
- prowled
prowled
1,397 corpus weight
- Ptah
Ptah
1,394 corpus weight
- publishable
publishable
1,392 corpus weight
What this shows Long-tail view: where “proteinase” sits against similarly uncommon English ranks.
| Property | Value |
|---|---|
| Headword | proteinase |
| Language | English |
| Part of speech | Noun |
| Letters | 10 |
| Frequency rank | #98,601 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “proteinase” in English
Rare enough to double-check
proteinase is uncommon English at frequency #98,601 among 4,417 “P” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "protease".
proteinase doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From protein + -ase. The correct English form is proteinase, spelled P-R-O-T-E-I-N-A-S-E.
Definition
- 1protease
Recorded use
Wiktionary exampleThese source excerpts show how proteinase appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
Thrombin is another endogenous serine proteinase that can be released from fibrin clot following gingival tissue injury or inflammation.
Etymology
From protein + -ase.
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 "proteinase", not the corpus desk frequency band.
Same letter count
Frequency-ranked English headwords with 10 letters (nearest by frequency rank).