leanvslemWhat's the difference?

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

Which to use

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

#26,078
“lean” frequency rank
#40,348
“lem” frequency rank
66426
confusion score

Side-by-Side Comparison

Feature lean lem
Definition Économe, frugal, surtout en rapport avec les techniques de lean management. Membre, partie du corps.

Letter map: lean vs lem

Shared letters muted; letters that set lean and lem apart highlighted. Shared run: 2.

4 ch
lean
3 ch
lem

Grammar separator: lean vs lem

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: lean is anadjective and lemanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 66426, derived from the frequency rank of both members and their visual similarity.

lean is recorded at frequency rank #26,078, classified as anadj, pronounced \lin\. lem is at rank #40,348, tagged as anoun.

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 66426, this pair ranks #67,887 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of lean vs lem

Shared letters: el. Private to "lean": an. Private to "lem": m.

"lean" · 4 letters · shape CVVC  ·  "lem" · 3 letters · shape CVC

Known mistypes of this pair

  • leanleann · llean

Frequently Asked Questions

Is swapping "lean" for "lem" ever safe?
No - they are not even the same part of speech. "lean" is an adjective and "lem" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "lean" or "lem" show up more?
"lean" is the more common of the two: it sits at frequency rank #26,078 in our French list, against #40,348 for "lem". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "lean" and "lem".

  • Full dictionary entry for "lean" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "lem" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #67,887 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lean" and "lem" also get mixed up with nearby pairs, the highest-scored neighbour is "lem vs lep". 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 #67,887 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list