jail

/d͡ʒeɪl/

//d͡ʒeɪl// noun

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

The verdict

“jail” is a regularly-used English word, ranked #2,392 in English word frequency and used as a noun.

#2,392
frequency rank, English
4
letters
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A place or institution for the confinement of persons held against their will in lawful custody or detention, especially (in US usage) a place where people are held for minor offenses or with refer...

Visual similarity to commonly confused words

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

jail vs JI
0% similar
jail vs Jim
25% similar
jail vs Jan
25% similar

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

Key facts for jail
PropertyValue
Headwordjail
LanguageEnglish
Part of speechNoun
IPA/d͡ʒeɪl/
Letters4
Frequency rank#2,392
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “jail” 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). jail 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 jail is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /d͡ʒeɪl/. Corpus data places it at rank #2,392 in overall English word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 5 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 jail, with forms such as "ajil", "jaill", and "jali". Each variant is a distinct typo pattern an edit-distance generator flags, typically a doubled-consonant error, a silent-letter drop, or a vowel substitution. It also participates in 20 confusable-pair relationships, "JI", "Jim", "Jan", and more, where similar look or sound leads writers to substitute one word for another in context.

Etymologically, the entry records: From Middle English gayole, gaylle, gaille, gayle, gaile, from Old French gaiole, gayolle, gaole, from Medieval Latin gabiola, from Late Latin caveola (“small cage, cell”), a diminutive of Latin cavea (“cavity, coop, cage”). Doublet of caveola and related t… The correct English form is jail, spelled J-A-I-L.

Definition

  1. 1
    A place or institution for the confinement of persons held against their will in lawful custody or detention, especially (in US usage) a place where people are held for minor offenses or with reference to some future judicial proceeding.
  2. 2
    Confinement in a jail.
  3. 3
    The condition created by the requirement that a horse claimed in a claiming race not be run at another track for some period of time (usually 30 days).
  4. 4
    In dodgeball and related games, the area where players who have been struck by the ball are confined.
  5. 5
    A kind of sandbox for running a guest operating system instance.

Etymology

From Middle English gayole, gaylle, gaille, gayle, gaile, from Old French gaiole, gayolle, gaole, from Medieval Latin gabiola, from Late Latin caveola (“small cage, cell”), a diminutive of Latin cavea (“cavity, coop, cage”). Doublet of caveola and related to cage. More at cajole. Fully displaced native Middle English quartern (“prison, jail, cell”), from Old English cweartern (“jail, prison”). Partially displaced native Middle English lok, from Old English loc (“enclosure, pen; jail, prison”), whence lock; and Middle English carcern, from Old English carcern, from Latin carcer (“prison, jail”). Compare these Old English words, all meaning “jail”: heaþor, heolstorloca (means also “jail cell”), clūstorloc, dung (also “dungeon”), hlinræced, nirwþ, nīedcleofa, hearmloca, and nearu.

Synonyms

This word in other languages

Common misspellings

Also misspelled as: ajil,jaill,jali,jial,jjail

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of jail - measured in single-character edits (insert, delete, or substitute a letter). Larger bars are easier to catch; one-edit slips are the sneakiest.

ajil2jaill1jali2jial2jjail1
Edit distance from "jail"

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 "jail"?
"jail" is spelled J-A-I-L. The IPA pronunciation is /d͡ʒeɪl/.
What does "jail" mean?
As a noun, "jail" means: A place or institution for the confinement of persons held against their will in lawful custody or detention, especially (in US usage) a place where people are held for minor offenses or with refer...
What words are commonly confused with "jail"?
"jail" is commonly confused with "JI", "Jim", "Jan". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "jail"?
The IPA (International Phonetic Alphabet) transcription for "jail" is /d͡ʒeɪl/. 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 "jail"?
From Middle English gayole, gaylle, gaille, gayle, gaile, from Old French gaiole, gayolle, gaole, from Medieval Latin gabiola, from Late Latin caveola (“small cage, cell”), a diminutive of Latin cavea (“cavity, coop, cage”). Doublet of caveola and... 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 “jail”

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

  • The one correct English spelling is J-A-I-L - every other letter order is a misspelling in standard orthography.
  • Say it as /d͡ʒeɪl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “JI” - see the side-by-side comparison. jail vs JI
  • 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