kerf

/kɜː(ɹ)f/

//kɜː(ɹ)f// noun

"kerf" is a 4-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
4
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The act of cutting or carving something; a stroke or slice.

Corpus desk

Index EN-kerf · kerf · English

kerf · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 4 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "K" 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 kerf
PropertyValue
Headwordkerf
LanguageEnglish
Part of speechNoun
IPA/kɜː(ɹ)f/
Letters4
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “kerf” in English

kerffalls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Rare enough to double-check

kerf is uncommon English outside the top frequency list, classed as anoun, transcribed /kɜː(ɹ)f/. Rarity is why readers land here mid-draft. 5 senses are on record.

No generated misspelling entries exist for kerf in our index, typically a sign the spelling maps closely to how the word sounds. This entry stands alone in our confusable dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Middle English kerf, kirf, kyrf, from Old English cyrf (“an act of cutting, a cutting off; a cutting instrument”), from Proto-West Germanic *kurbi, from Proto-Germanic *kurbiz (“a cut; notch; clipping”), from Proto-Indo-European *gerbʰ- (“to scratch”).… The correct English form is kerf, spelled K-E-R-F.

Definition

  1. 1
    The act of cutting or carving something; a stroke or slice.
  2. 2
    The groove or slit created by cutting or sawing something; an incision.
  3. 3
    The portion or quantity (e.g. of wood, hay, turf, wool, etc.) removed or cut off in a given stroke.
  4. 4
    The distance between diverging saw teeth.
  5. 5
    The flattened, cut-off end of a branch or tree; a stump or sawn-off cross-section.

Recorded use

Wiktionary examples

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

  1. They pass through a cleft that has been made across a low range of hills, like a kerf in the top of a log, and enter into a lovely territory of subtly swelling emerald green fields strewn randomly with small white capsules that he takes to be sheep.
  2. 1991, Popular Mechanics, January issue, page 63, "Thin-kerf blades", by Rosario Capotostro Sawing with a thin-kerf blade produces a kerf that's 1/2 to 1/3 the size of a standard blade kerf.

Etymology

From Middle English kerf, kirf, kyrf, from Old English cyrf (“an act of cutting, a cutting off; a cutting instrument”), from Proto-West Germanic *kurbi, from Proto-Germanic *kurbiz (“a cut; notch; clipping”), from Proto-Indo-European *gerbʰ- (“to scratch”). Cognate with Saterland Frisian Käärf, West Frisian kerf, Swedish korv. Related also to Dutch kerf, German Low German Karve, Karv, German Kerbe.

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.

Frequently Asked Questions

How do you spell "kerf"?
"kerf" is spelled K-E-R-F. The IPA pronunciation is /kɜː(ɹ)f/.
What does "kerf" mean?
As a noun, "kerf" means: The act of cutting or carving something; a stroke or slice.
How do you pronounce "kerf"?
The IPA (International Phonetic Alphabet) transcription for "kerf" is /kɜː(ɹ)f/. 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 "kerf"?
From Middle English kerf, kirf, kyrf, from Old English cyrf (“an act of cutting, a cutting off; a cutting instrument”), from Proto-West Germanic *kurbi, from Proto-Germanic *kurbiz (“a cut; notch; clipping”), from Proto-Indo-European *gerbʰ- (“to ... 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