treacher

/ˈtɹɛt͡ʃəɹ/

//ˈtɹɛt͡ʃəɹ// noun

"treacher" is a 8-letter English headword indexed on PlainSpell.

The verdict

“treacher” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A traitor or deceiver.

Corpus desk

Index EN-treacher · treacher · English

treacher · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-3 3 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.

Key facts for treacher
PropertyValue
Headwordtreacher
LanguageEnglish
Part of speechNoun
IPA/ˈtɹɛt͡ʃəɹ/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “treacher” in English

treacherranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

treacher is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈtɹɛt͡ʃəɹ/. Rarity is why readers land here mid-draft. Gloss: "A traitor or deceiver.".

No misspelling variants are generated for treacher in our index, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Middle English trecher, from Old French trecheor (modern tricheur), from trechier, tricher (“to cheat, trick”). Compare English trick. The correct English form is treacher, spelled T-R-E-A-C-H-E-R.

Definition

  1. 1
    A traitor or deceiver.

Recorded use

Wiktionary example

These source excerpts show how treacher appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. “Fruits and treachers,” he said. “Nothin' in there but treachers and fruits. I see 'em goin' in and out all day, in their tammyshanters and their fur-covered shoes. Fruits and treachers, the place is full of 'em.”

Etymology

From Middle English trecher, from Old French trecheor (modern tricheur), from trechier, tricher (“to cheat, trick”). Compare English trick.

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.

Frequently Asked Questions

How do you spell "treacher"?
"treacher" is spelled T-R-E-A-C-H-E-R. The IPA pronunciation is /ˈtɹɛt͡ʃəɹ/.
What does "treacher" mean?
As a noun, "treacher" means: A traitor or deceiver.
How do you pronounce "treacher"?
The IPA (International Phonetic Alphabet) transcription for "treacher" is /ˈtɹɛt͡ʃəɹ/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "treacher"?
From Middle English trecher, from Old French trecheor (modern tricheur), from trechier, tricher (“to cheat, trick”). Compare English trick. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list