coir

/ˈkɔɪə/

//ˈkɔɪə// noun

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

The verdict

“coir” is uncommon English (frequency #75,741 among 43,570 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#75,741
frequency rank, English
43,570
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The fibre obtained from the husk of a coconut, used chiefly in making rope, matting and as a peat substitute.

Key facts for coir
PropertyValue
Headwordcoir
LanguageEnglish
Part of speechNoun
IPA/ˈkɔɪə/
Letters4
Frequency rank#75,741
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “coir” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). coir lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

coir is uncommon English at frequency #75,741 among 43,570 “C” headwords, classed as anoun, transcribed /ˈkɔɪə/. Rarity is why readers land here mid-draft. Gloss: "The fibre obtained from the husk of a coconut, used chiefly in making rope, matting and as a peat substitute.".

We couldn't generate a plausible misspelling set for coir, a sign its spelling follows regular English conventions. This headword has no recorded confusable partner, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: Borrowed from Tamil கயிறு (kayiṟu), Malayalam കയർ (kayaṟ). The correct English form is coir, spelled C-O-I-R.

Definition

  1. 1
    The fibre obtained from the husk of a coconut, used chiefly in making rope, matting and as a peat substitute.

Etymology

Borrowed from Tamil கயிறு (kayiṟu), Malayalam കയർ (kayaṟ).

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "coir"?
"coir" is spelled C-O-I-R. The IPA pronunciation is /ˈkɔɪə/.
What does "coir" mean?
As a noun, "coir" means: The fibre obtained from the husk of a coconut, used chiefly in making rope, matting and as a peat substitute.
How do you pronounce "coir"?
The IPA (International Phonetic Alphabet) transcription for "coir" is /ˈkɔɪə/. 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 "coir"?
Borrowed from Tamil கயிறு (kayiṟu), Malayalam കയർ (kayaṟ). 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.

Using “coir”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is C-O-I-R - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈkɔɪə/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list