rail

\ʁaj\

/\ʁaj\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“rail” is a regularly-used French word, ranked #8,913 in French word frequency and used as a noun.

#8,913
frequency rank, French
4
letters
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Chacune des deux bandes de fer ou d’acier poli posées parallèlement sur des traverses et qui constitue une voie ferrée sur laquelle roulent les trains, les tramways, les métros etc.

Visual similarity to commonly confused words

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

rail vs RL
0% similar
rail vs roi
50% similar
rail vs rio
50% similar

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

Key facts for rail
PropertyValue
Headwordrail
LanguageFrench
Part of speechNoun
IPA\ʁaj\
Letters4
Frequency rank#8,913
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Where “rail” sits in French 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). rail 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 French entry for rail is 4 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \ʁaj\. Corpus data places it at rank #8,913 in overall French word frequency, indicating it appears regularly in written and spoken text. Wiktionary records 6 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 rail, with forms such as "aril", "raill", and "rali". 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, "RL", "roi", "rio", and more, where similar look or sound leads writers to substitute one word for another in context.

This entry's etymology isn't recorded, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is rail, spelled R-A-I-L.

Definition

  1. 1
    Chacune des deux bandes de fer ou d’acier poli posées parallèlement sur des traverses et qui constitue une voie ferrée sur laquelle roulent les trains, les tramways, les métros etc.
  2. 2
    Pièce métallique profilée, longue et étroite, sur laquelle se déplace une autre pièce.
  3. 3
    Le transport par voie ferrée.
  4. 4
    Dispositif qui permet, dans une zone très fréquentée, d'organiser les flux de navigation et d'éviter les collisions en définissant des voies distinctes selon le sens de circulation des bateaux ou la nature de la marchandise que ceux-ci transportent ; chacune de ces voies (appelées couloirs de navigation).
  5. 5
    La Manche.
  6. 6
    Ligne, trait de cocaïne qui se sniffe.

This word in other languages

rail(English)carril(Español)Schiene(Deutsch)carril(Português)

Common misspellings

Also misspelled as: aril,raill,rali,rial,rrail

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of rail - counted as single-character edits (an insertion, a deletion, or a substituted letter). The larger the bar, the easier the typo is to spot; one-edit slips are the ones that sneak past readers.

aril2raill1rali2rial2rrail1
Edit distance from "rail"

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 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "rail"?
"rail" is spelled R-A-I-L. The IPA pronunciation is \ʁaj\.
What does "rail" mean?
As a noun, "rail" means: Chacune des deux bandes de fer ou d’acier poli posées parallèlement sur des traverses et qui constitue une voie ferrée sur laquelle roulent les trains, les tramways, les métros etc.
What words are commonly confused with "rail"?
"rail" is commonly confused with "RL", "roi", "rio". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "rail"?
The IPA (International Phonetic Alphabet) transcription for "rail" is \ʁaj\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "rail" come from?
"rail" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “rail”

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

  • The one correct French spelling is R-A-I-L - every other letter order is a misspelling in standard orthography.
  • Say it as \ʁaj\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Don't mix it up with “RL” - see the side-by-side comparison. rail vs RL
  • Browse more French words and confusable pairs in the same reference. French 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