louvslouisWhat's the difference?

Which to use

“lou” and “louis” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#7,204
“lou” frequency rank
#726
“louis” frequency rank
7930
confusion score

Side-by-Side Comparison

Feature lou louis
Definition Loup. Ancienne monnaie d’or française.

Where the eye mixes lou and louis

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

3 ch
lou
5 ch
louis

Look-alike desk: lou vs louis

A purely visual mix-up. lou (\lu\) and louis (\lwi\) 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) - “lou” sits inside “louis”. Our composite confusion score for this pair is 7930, derived from the frequency rank of both members and their visual similarity.

lou is recorded at frequency rank #7,204, classified as anoun, pronounced \lu\. louis is at rank #726, tagged as anoun, pronounced \lwi\.

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 7930, this pair ranks #421,677 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of lou vs louis

Shared letters: lou. Private to "lou": -. Private to "louis": is.

"lou" · 3 letters · shape CVV  ·  "louis" · 5 letters · shape CVVVC

Known mistypes of this pair

  • louisllouis · loius · louiss · lousi · luois · oluis

Frequently Asked Questions

Is swapping "lou" for "louis" ever safe?
No. They are said differently (\lu\ versus \lwi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "lou" vs "louis" - which ranks higher?
"louis" is the more common of the two: it sits at frequency rank #726 in our French list, against #7,204 for "lou". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "lou" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "louis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #421,677 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "lou" and "louis" also get mixed up with nearby pairs, the highest-scored neighbour is "lobo vs lou". 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 #421,677 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