trepan
/tɹɪˈpæn/
"trepan" is a 6-letter English headword indexed on PlainSpell.
The verdict
“trepan” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 6
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A tool used to bore through rock when sinking shafts.
Corpus desk
Index EN-trepan · trepan · English
trepan · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 6 letters
- VOW-2 2 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "T" 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 | trepan |
| Language | English |
| Part of speech | Noun |
| IPA | /tɹɪˈpæn/ |
| Letters | 6 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Long-tail rank of “trepan” in English
Rare enough to double-check
trepan is uncommon English outside the top frequency list, classed as anoun, transcribed /tɹɪˈpæn/. Rarity is why readers land here mid-draft. 2 senses are on record.
trepan has no tracked misspelling variants, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: Borrowed into Middle English from Old French trepan, from Latin trepanum, from Ancient Greek τρύπανον (trúpanon, “auger, borer”). Doublet of trephine. The correct English form is trepan, spelled T-R-E-P-A-N.
Definition
- 1A tool used to bore through rock when sinking shafts.
- 2A surgical instrument used to remove a circular section of bone from the skull; a trephine.
Etymology
Borrowed into Middle English from Old French trepan, from Latin trepanum, from Ancient Greek τρύπανον (trúpanon, “auger, borer”). Doublet of trephine.
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). See the methodology for how each field is sourced and updated.