endopeptidase
"endopeptidase" is a 13-letter English headword indexed on PlainSpell.
The verdict
“endopeptidase” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 13
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of a group of enzymes, such as trypsin, chymotrypsin, pepsin and elastase, which catalyze the splitting of polypeptide chains away from the ends
Corpus desk
Index EN-endopeptidase · endopeptidase · English
endopeptidase · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 13 letters
- VOW-6 6 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "E" thin
- PHOTO-UNK Peer pending
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.
| Property | Value |
|---|---|
| Headword | endopeptidase |
| Language | English |
| Part of speech | Noun |
| Letters | 13 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “endopeptidase” in English
Rare enough to double-check
endopeptidase is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any of a group of enzymes, such as trypsin, chymotrypsin, pepsin and elastase, which catalyze the splitting of polypeptide chains away from the ends".
endopeptidase doesn't appear in our generated misspelling index, typically a sign the spelling maps closely to how the word sounds. No close-neighbour confusable shows up for this headword in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.
Etymologically, the entry records: From endo- + peptide + -ase. The correct English form is endopeptidase, spelled E-N-D-O-P-E-P-T-I-D-A-S-E.
Definition
- 1Any of a group of enzymes, such as trypsin, chymotrypsin, pepsin and elastase, which catalyze the splitting of polypeptide chains away from the ends
Etymology
From endo- + peptide + -ase.
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.