leachvsleanWhich spelling fits?

Quick tell: leach is a noun, lean is a verb, so they fill different roles in a sentence.

Which to use

“leach” is a noun and “lean” is a verb - they look or sound alike but fill different roles in a sentence.

#20,983
“leach” frequency rank
#5,705
“lean” frequency rank
26688
confusion score

Side-by-Side Comparison

Feature leach lean
Definition A quantity of wood ashes, through which water passes, and thus imbibes the alkali. To incline, deviate, or bend, from a vertical position; to be in a position thus inclining or deviating.

Where the eye mixes leach and lean

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

5 ch
leach
4 ch
lean

Visual trap between leach and lean

These two trip readers on the page rather than in the ear: leach is /liːt͡ʃ/ while lean is /liːn/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 26688, derived from the frequency rank of both members and their visual similarity.

leach is recorded at frequency rank #20,983, classified as anoun, pronounced /liːt͡ʃ/. lean is at rank #5,705, tagged as averb, pronounced /liːn/.

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 26688, this pair ranks #384,812 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of leach vs lean

Shared letters: ael. Private to "leach": ch. Private to "lean": n.

"leach" · 5 letters · shape CVVCC  ·  "lean" · 4 letters · shape CVVC

Known mistypes of this pair

  • leachelach · laech · leacch · leachh · leahc · lecah · lleach
  • leanelan · leann · llean

Frequently Asked Questions

Is swapping "leach" for "lean" ever safe?
No - they are not even the same part of speech. "leach" is a noun and "lean" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "leach" or "lean" show up more?
"lean" is the more common of the two: it sits at frequency rank #5,705 in our English list, against #20,983 for "leach". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "leach" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lean" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #384,812 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "leach" and "lean" also get mixed up with nearby pairs, the highest-scored neighbour is "leach vs Leh". 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 #384,812 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