leechvsleighConfusable pair

Which to use

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

#23,327
“leech” frequency rank
#10,388
“leigh” frequency rank
33715
confusion score

Side-by-Side Comparison

Feature leech leigh
Definition An aquatic blood-sucking annelid of subclass Hirudinea, especially Hirudo medicinalis. A meadow.

Where the eye mixes leech and leigh

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
leech
5 ch
leigh

Why the eye confuses leech with leigh

A purely visual mix-up. leech (/liːt͡ʃ/) and leigh (/liː/) 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 33715, derived from the frequency rank of both members and their visual similarity.

leech is recorded at frequency rank #23,327, classified as anoun, pronounced /liːt͡ʃ/. leigh is at rank #10,388, tagged as anoun, pronounced /liː/.

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 33715, this pair ranks #327,011 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of leech vs leigh

Shared letters: ehl. Private to "leech": c. Private to "leigh": gi.

"leech" · 5 letters · shape CVVCC  ·  "leigh" · 5 letters · shape CVVCC

Known mistypes of this pair

  • leechelech · leceh · lech · leecch · leechh · leehc · lleech
  • leigheligh · legih · leiggh · leighh · leihg · liegh · lleigh

Frequently Asked Questions

Is swapping "leech" for "leigh" ever safe?
No. They are said differently (/liːt͡ʃ/ versus /liː/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "leech" or "leigh" show up more?
"leigh" is the more common of the two: it sits at frequency rank #10,388 in our English list, against #23,327 for "leech". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "leech" and "leigh" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "leech" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "leigh" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #327,011 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "leech" and "leigh" also get mixed up with nearby pairs, the highest-scored neighbour is "leech vs leery". 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 #327,011 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