sail

/seɪl/

//seɪl// noun

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

The verdict

“sail” has 5 generated spelling variants in the English index at frequency #7,054. The variants make it a useful spelling check.

#7,054
frequency rank, English
6,566
“S” headwords
5
tracked misspellings
20
confusable pairs

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A piece of fabric attached to a boat and arranged such that it causes the wind to drive the boat along. The sail may be attached to the boat via a combination of mast, spars and ropes.

Corpus desk

Index EN-sail · sail · English

sail · rank #7,054 · 5 variants · 20 confusables

  • FREQ-COMMON #7,054
  • LEN-MID 4 letters
  • VOW-2 2 vowels
  • CONFUS-HIGH 20 pairs
  • VAR-MID 5 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH salmon

Nearest frequency peer: salmon (+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 “sail”

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

corpus weight

What this shows “sail” 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).

sail vs SI
0% similar
sail vs SL
0% similar
sail vs say
50% similar

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

Key facts for sail
PropertyValue
Headwordsail
LanguageEnglish
Part of speechNoun
IPA/seɪl/
Letters4
Frequency rank#7,054
Misspellings tracked5
Confusable pairs20
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “sail”

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).saillands 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 “salmon” (#7,055), “roses” (#7,052), “secretly” (#7,056). Among 6,566 “S” headwords, “sail” is #7,054. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 5 spelling variants around sail (IPA /seɪl/), anoun. Corpus frequency is #7,054 among 6,566 “S” headwords. Wiktionary lists 12 senses, so context still picks the gloss.

Our generated misspelling index lists 5 likely wrong-spelling variants for sail, with forms such as "asil", "saill", and "sali". Every one of these variants traces to a single-character edit -- an added or dropped letter, a swapped consonant, or a vowel swap -- the kind of slip a spell-checker is built to catch. It also participates in 20 confusable-pair relationships, "SI", "SL", "say", 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 Middle English saile, sayle, seil, seyl, from Old English seġl, from Proto-West Germanic *segl, from Proto-Germanic *seglą. Cognate with West Frisian seil, Low German Segel, Dutch zeil, German Segel, Danish sejl, Swedish segel. The correct English form is sail, spelled S-A-I-L.

Definition

  1. 1
    A piece of fabric attached to a boat and arranged such that it causes the wind to drive the boat along. The sail may be attached to the boat via a combination of mast, spars and ropes.
  2. 2
    The concept of a sail or sails, as if a substance.
  3. 3
    The power harnessed by a sail or sails, or the use of this power for travel or transport.
  4. 4
    A trip in a boat, especially a sailboat.
  5. 5
    A sailing vessel; a vessel of any kind; a craft.
  6. 6
    The conning tower of a submarine.
  7. 7
    The blade of a windmill.
  8. 8
    A tower-like structure found on the dorsal (topside) surface of submarines.
  9. 9
    The floating organ of siphonophores, such as the Portuguese man-of-war.
  10. 10
    A sailfish.
  11. 11
    an outward projection of the spine, occurring in certain dinosaurs and synapsids
  12. 12
    Anything resembling a sail, such as a wing.

Recorded use

Wiktionary examples

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

  1. When we haue laught to ſee the ſailes conceiue / And grow big bellied with the wanton winde; […]
  2. Take in sail: a storm is coming.

Etymology

From Middle English saile, sayle, seil, seyl, from Old English seġl, from Proto-West Germanic *segl, from Proto-Germanic *seglą. Cognate with West Frisian seil, Low German Segel, Dutch zeil, German Segel, Danish sejl, Swedish segel.

Synonyms

This word in other languages

Common misspellings

Also misspelled as:

  • asil
  • saill
  • sali
  • sial
  • ssail

Misspelling Pattern Breakdown

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

asil2saill1sali2sial2ssail1
Edit distance from "sail"

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 "sail"?
"sail" is spelled S-A-I-L. The IPA pronunciation is /seɪl/.
What does "sail" mean?
As a noun, "sail" means: A piece of fabric attached to a boat and arranged such that it causes the wind to drive the boat along. The sail may be attached to the boat via a combination of mast, spars and ropes.
What words are commonly confused with "sail"?
"sail" is commonly confused with "SI", "SL", "say". These words look or sound similar but have different meanings. PlainSpell provides detailed comparisons for each pair.
How do you pronounce "sail"?
The IPA (International Phonetic Alphabet) transcription for "sail" is /seɪl/. 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 "sail"?
From Middle English saile, sayle, seil, seyl, from Old English seġl, from Proto-West Germanic *segl, from Proto-Germanic *seglą. Cognate with West Frisian seil, Low German Segel, Dutch zeil, German Segel, Danish sejl, Swedish segel. 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 "sail", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 4 letters (nearest by frequency rank).

Similar misspelling depth

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

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

Source: FrequencyWords open word-frequency list