leechvsleechesTell them apart

Which to use

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

#23,327
“leech” frequency rank
#34,157
“leeches” frequency rank
57484
confusion score

Side-by-Side Comparison

Feature leech leeches
Definition An aquatic blood-sucking annelid of subclass Hirudinea, especially Hirudo medicinalis. plural of leech

Where the eye mixes leech and leeches

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

5 ch
leech
7 ch
leeches

Look-alike desk: leech vs leeches

A purely visual mix-up. leech (/liːt͡ʃ/) and leeches (/ˈliːt͡ʃ.ɪz/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “leech” sits inside “leeches”. Our composite confusion score for this pair is 57484, 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/. leeches is at rank #34,157, tagged as anoun, pronounced /ˈliːt͡ʃ.ɪz/.

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 57484, this pair ranks #119,005 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of leech vs leeches

Shared letters: cehl. Private to "leech": -. Private to "leeches": s.

"leech" · 5 letters · shape CVVCC  ·  "leeches" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • leechelech · leceh · lech · leecch · leechh · leehc · lleech
  • leecheseleches · lecehes · leches · leecches · leecehs · leechess · leechhes · leechse

Frequently Asked Questions

Is swapping "leech" for "leeches" ever safe?
No. They are said differently (/liːt͡ʃ/ versus /ˈliːt͡ʃ.ɪz/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "leech" vs "leeches" - which ranks higher?
"leech" is the more common of the two: it sits at frequency rank #23,327 in our English list, against #34,157 for "leeches". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "leech" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "leeches" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #119,005 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "leech" and "leeches" also get mixed up with nearby pairs, the highest-scored neighbour is "latches vs leeches". 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 #119,005 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