tail

/teɪl/

//teɪl// noun

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

The verdict

“tail” is a regularly-used English word, ranked #4,052 in English word frequency and used as a noun.

#4,052
frequency rank, English
4
letters
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The caudal appendage of an animal that is attached to their posterior and near the anus or cloaca.

Visual similarity to commonly confused words

How many letter changes separate each confused pair (Levenshtein distance, normalized).

tail vs TL
0% similar
tail vs ti
50% similar
tail vs tax
50% similar

Source: PlainSpell confusable corpus (Wiktionary, CC BY-SA).

Key facts for tail
PropertyValue
Headwordtail
LanguageEnglish
Part of speechNoun
IPA/teɪl/
Letters4
Frequency rank#4,052
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “tail” 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). tail lands here:

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

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

Spelling & Dictionary Insight

The English entry for tail is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /teɪl/. Corpus data places it at rank #4,052 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 31 distinct senses for this headword, so context determines which meaning a reader should apply.

Our generated misspelling index lists 5 likely wrong-spelling variants for tail, with forms such as "atil", "taill", and "tali". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. It also participates in 20 confusable-pair relationships, "TL", "ti", "tax", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English tail, tayl, teil, from Old English tæġl (“tail”), from Proto-West Germanic *tagl, from Proto-Germanic *taglą (“hair, fiber; hair of a tail”), from Proto-Indo-European *doḱ- (“hair of the tail”), from Proto-Indo-European *deḱ- (“to tear, … The correct English form is tail, spelled T-A-I-L.

Definition

  1. 1
    The caudal appendage of an animal that is attached to their posterior and near the anus or cloaca.
  2. 2
    An object or part of an object resembling a tail in shape, such as the thongs on a cat-o'-nine-tails.
  3. 3
    The back, last, lower, or inferior part of anything.
  4. 4
    The feathers attached to the pygostyle of a bird.
  5. 5
    The tail-end of any object.
  6. 6
    The rear structure of an aircraft, the empennage.
  7. 7
    The visible stream of dust and gases blown from a comet by the solar wind.
  8. 8
    The latter part of a time period or event, or (collectively) persons or objects represented in this part.
  9. 9
    The part of a distribution most distant from the mode.
  10. 10
    One who surreptitiously follows another.
  11. 11
    The lower order of batsmen in the batting order, usually specialist bowlers.
  12. 12
    The lower loop of the letters in the Roman alphabet, as in g, q or y.
  13. 13
    The side of a coin not bearing the head; normally the side on which the monetary value of the coin is indicated; the reverse.
  14. 14
    All the last terms of a sequence, from some term on.
  15. 15
    The buttocks or backside.
  16. 16
    The penis of a person or animal.
  17. 17
    Sexual intercourse.
  18. 18
    The stern; the back of the kayak.
  19. 19
    A train or company of attendants; a retinue.
  20. 20
    The distal tendon of a muscle.
  21. 21
    A filamentous projection on the tornal section of each hind wing of certain butterflies.
  22. 22
    A downy or feathery appendage of certain achens, formed of the permanent elongated style.
  23. 23
    A portion of an incision, at its beginning or end, which does not go through the whole thickness of the skin, and is more painful than a complete incision; called also tailing.
  24. 24
    One of the strips at the end of a bandage formed by splitting the bandage one or more times.
  25. 25
    A rope spliced to the strap of a block, by which it may be lashed to anything.
  26. 26
    The part of a note which runs perpendicularly upward or downward from the head; the stem.
  27. 27
    A tailing.
  28. 28
    The bottom or lower portion of a member or part such as a slate or tile.
  29. 29
    A tailcoat.
  30. 30
    Synonym of pigtail (“a short length of twisted electrical wire”).
  31. 31
    The final fraction of a distillation run, typically containing impurities and fusel oils.

Etymology

From Middle English tail, tayl, teil, from Old English tæġl (“tail”), from Proto-West Germanic *tagl, from Proto-Germanic *taglą (“hair, fiber; hair of a tail”), from Proto-Indo-European *doḱ- (“hair of the tail”), from Proto-Indo-European *deḱ- (“to tear, fray, shred”). Cognate with Scots tail (“tail”), Saterland Frisian Tail (“tail, end”), West Frisian teil (“tail”), Dutch teil (“tail, haulm, blade”), Low German Tagel (“twisted scourge, whip of thongs and ropes; end of a rope”), German Zagel (“tail”), dialectal Danish tavl (“hair of the tail”), Swedish tagel (“hair of the tail, horsehair”), Norwegian tagl (“tail”), Icelandic tagl (“tail, horsetail, ponytail”), Gothic 𐍄𐌰𐌲𐌻 (tagl, “hair”). In some senses, apparently by a generalization of the usual opposition between head and tail.

This word in other languages

Common misspellings

Also misspelled as: atil,taill,tali,tial,ttail

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of tail - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

atil2taill1tali2tial2ttail1
Edit distance from "tail"

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 "tail"?
"tail" is spelled T-A-I-L. The IPA pronunciation is /teɪl/.
What does "tail" mean?
As a noun, "tail" means: The caudal appendage of an animal that is attached to their posterior and near the anus or cloaca.
What words are commonly confused with "tail"?
"tail" is commonly confused with "TL", "ti", "tax". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "tail"?
The IPA (International Phonetic Alphabet) transcription for "tail" is /teɪl/. 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 "tail"?
From Middle English tail, tayl, teil, from Old English tæġl (“tail”), from Proto-West Germanic *tagl, from Proto-Germanic *taglą (“hair, fiber; hair of a tail”), from Proto-Indo-European *doḱ- (“hair of the tail”), from Proto-Indo-European *deḱ- (... 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 “tail”

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

  • The one correct English spelling is T-A-I-L - every other letter order is a misspelling in standard orthography.
  • Say it as /teɪl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “TL” - see the side-by-side comparison. tail vs TL
  • Browse more English words and confusable pairs in the same reference. English words
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 FrequencyWords open word-frequency list