sleighvssloughWhat's the difference?

Which to use

“sleigh” and “slough” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#29,464
“sleigh” frequency rank
#26,965
“slough” frequency rank
56429
confusion score

Side-by-Side Comparison

Feature sleigh slough
Definition A vehicle, generally pulled by an animal, which moves over snow or ice on runners, used for transporting persons or goods. (contrast "sled", which is smaller) The skin shed by a snake or other reptile.

Where the eye mixes sleigh and slough

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. sleigh and slough follow the identical consonant-vowel pattern (CCVVCC). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
sleigh
6 ch
slough

Why the eye confuses sleigh with slough

A purely visual mix-up. sleigh (/sleɪ/) and slough (/slʌf/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 56429, derived from the frequency rank of both members and their visual similarity.

sleigh is recorded at frequency rank #29,464, classified as anoun, pronounced /sleɪ/. slough is at rank #26,965, tagged as anoun, pronounced /slʌf/.

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 56429, this pair ranks #126,374 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of sleigh vs slough

Shared letters: ghls. Private to "sleigh": ei. Private to "slough": ou.

"sleigh" · 6 letters · shape CCVVCC  ·  "slough" · 6 letters · shape CCVVCC

Known mistypes of this pair

  • sleighlseigh · seligh · slegih · sleiggh · sleighh · sleihg · sliegh · slleigh
  • sloughlsough · sllough · sloguh · slouggh · sloughh · slouhg · sluogh · solugh

Frequently Asked Questions

Is swapping "sleigh" for "slough" ever safe?
No. They are said differently (/sleɪ/ versus /slʌf/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "sleigh" vs "slough" - which ranks higher?
"slough" is the more common of the two: it sits at frequency rank #26,965 in our English list, against #29,464 for "sleigh". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "sleigh" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "slough" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #126,374 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "sleigh" and "slough" also get mixed up with nearby pairs, the highest-scored neighbour is "sleigh vs sleuth". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #126,374 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list