derail

/ˌdəˈɹeɪ.əl/

//ˌdəˈɹeɪ.əl// noun

"derail" is a 6-letter English headword indexed on PlainSpell.

The verdict

“derail” has 8 generated spelling variants in the English index at frequency #26,059. The variants make it a useful spelling check.

#26,059
frequency rank, English
3,470
“D” headwords
8
tracked misspellings
11
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Synonym of derailer: A device placed on railway tracks in order to cause a train to derail.

Corpus desk

Index EN-derail · derail · English

derail · rank #26,059 · 8 variants · 11 confusables

  • FREQ-MID #26,059
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-MID 11 pairs
  • VAR-MID 8 variants
  • BOOK-MID 3,470
  • PHOTO-FINISH Desi

Nearest frequency peer: Desi (+1 rank slots)

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.

Rank peers near misspelling magnet “derail”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “derail” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026

Visual similarity to commonly confused words

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

derail vs devil
67% similar
derail vs drain
67% similar
derail vs Desai
50% similar

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

Key facts for derail
PropertyValue
Headwordderail
LanguageEnglish
Part of speechNoun
IPA/ˌdəˈɹeɪ.əl/
Letters6
Frequency rank#26,059
Misspellings tracked8
Confusable pairs11
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “derail”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).deraillands here:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “Desi” (#26,060), “denouncing” (#26,057), “debtor” (#26,056). Among 3,470 “D” headwords, “derail” is #26,059. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 8 spelling variants around derail (IPA /ˌdəˈɹeɪ.əl/), anoun. Corpus frequency is #26,059 among 3,470 “D” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 8 likely wrong-spelling variants for derail, with forms such as "dderail", "dearil", and "deraill". 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 11 confusable-pair relationships, "devil", "drain", "Desai", and more, a pairing that trips writers up because the two words share enough sound or shape to blur together.

Etymologically, the entry records: From French dérailler (“to go off the rails”). Analyzable as de- + rail. The correct English form is derail, spelled D-E-R-A-I-L.

Definition

  1. 1
    Synonym of derailer: A device placed on railway tracks in order to cause a train to derail.
  2. 2
    An instance of diverting a conversation or debate from its original topic.

Recorded use

Wiktionary example

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

  1. The derail was placed deliberately so that the train would fall into the river.

Etymology

From French dérailler (“to go off the rails”). Analyzable as de- + rail.

Common misspellings

Also misspelled as:

  • dderail
  • dearil
  • deraill
  • derali
  • derial
  • derrail
  • dreail
  • edrail

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of derail - 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.

dderail1dearil2deraill1derali2derial2derrail1dreail2edrail2
Edit distance from "derail"

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 "derail"?
"derail" is spelled D-E-R-A-I-L. The IPA pronunciation is /ˌdəˈɹeɪ.əl/.
What does "derail" mean?
As a noun, "derail" means: Synonym of derailer: A device placed on railway tracks in order to cause a train to derail.
What words are commonly confused with "derail"?
"derail" is commonly confused with "devil", "drain", "Desai". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "derail"?
The IPA (International Phonetic Alphabet) transcription for "derail" is /ˌdəˈɹeɪ.əl/. 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 "derail"?
From French dérailler (“to go off the rails”). Analyzable as de- + rail. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "derail", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 6 letters (nearest by frequency rank).

Similar misspelling depth

Headwords with a similar count of attested misspellings (8 here; floor ≥5).

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

Source: FrequencyWords open word-frequency list