oakum

/ˈəʊkəm/

//ˈəʊkəm// noun

"oakum" is a 5-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Coarse fibres separated by hackling from flax or hemp when preparing the latter for spinning.

Corpus desk

Index EN-oakum · oakum · English

oakum · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "O" 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 oakum
PropertyValue
Headwordoakum
LanguageEnglish
Part of speechNoun
IPA/ˈəʊkəm/
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “oakum” in English

oakumfalls 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

oakum is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈəʊkəm/. Rarity is why readers land here mid-draft. 2 senses are on record.

oakum has no tracked misspelling variants, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Late Middle English okom, okome (“oakum”) [and other forms], from Old English ācumba (“oakum”, literally “that which has been combed out, off-combings”) [and other forms], from ācemban (“to comb out”), from Proto-Germanic *uz- (from Proto-Indo-European… The correct English form is oakum, spelled O-A-K-U-M.

Definition

  1. 1
    Coarse fibres separated by hackling from flax or hemp when preparing the latter for spinning.
  2. 2
    Fibres chiefly obtained by untwisting old rope, which are used to caulk or pack gaps between boards of wooden ships and joints in masonry and plumbing, and sometimes for dressing wounds.

Recorded use

Wiktionary examples

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

  1. [W]ho should it be but Mr. Daniel, all muffled up, and his face as black as the chimney, and covered with dirt, pitch, and tarr, and powder, and muffled with dirty clouts, and his right eye stopped with okum. He is come last night at five o'clock from the fleete, with a comrade of his that hath endangered another eye.
  2. It vvas reſolved hovvever to proceed on our Voyage, vvhich vve did for ten Days, in hopes by the Oakums ſvvelling the Leak might grovv leſs; but to our great Surpriſe, after very hard VVeather near Porto Bello, and not being able to reach it, it increaſed to double the Quantity.

Etymology

From Late Middle English okom, okome (“oakum”) [and other forms], from Old English ācumba (“oakum”, literally “that which has been combed out, off-combings”) [and other forms], from ācemban (“to comb out”), from Proto-Germanic *uz- (from Proto-Indo-European *ud-s-, *ūd- (“out; up”), or *h₂ew- (“away from, off”)) + *kambijaną (“to comb”) (ultimately from *ǵómbʰos (“row of teeth; tooth; peg”), *ǵembʰ- (“nail; tooth; to gnaw through; to pierce”)). See also out and comb.

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 "oakum"?
"oakum" is spelled O-A-K-U-M. The IPA pronunciation is /ˈəʊkəm/.
What does "oakum" mean?
As a noun, "oakum" means: Coarse fibres separated by hackling from flax or hemp when preparing the latter for spinning.
How do you pronounce "oakum"?
The IPA (International Phonetic Alphabet) transcription for "oakum" is /ˈəʊkəm/. 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 "oakum"?
From Late Middle English okom, okome (“oakum”) [and other forms], from Old English ācumba (“oakum”, literally “that which has been combed out, off-combings”) [and other forms], from ācemban (“to comb out”), from Proto-Germanic *uz- (from Proto-Ind... 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