rénalvsrénauxWhich spelling fits?

Which to use

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

#49,342
“rénal” frequency rank
#47,019
“rénaux” frequency rank
96361
confusion score

Side-by-Side Comparison

Feature rénal rénaux
Definition Qui a rapport aux reins ; qui appartient aux reins. Masculin pluriel de rénal.

Where the eye mixes rénal and rénaux

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. rénal runs 5 letters (CVCVC) against rénaux's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
rénal
6 ch
rénaux

Look-alike desk: rénal vs rénaux

A purely visual mix-up. rénal (\ʁe.nal\) and rénaux (\ʁe.no\) 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 1 letter(s) in length. Our composite confusion score for this pair is 96361, derived from the frequency rank of both members and their visual similarity.

rénal is recorded at frequency rank #49,342, classified as anadj, pronounced \ʁe.nal\. rénaux is at rank #47,019, tagged as anadj, pronounced \ʁe.no\.

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 96361, this pair ranks #703 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of rénal vs rénaux

Shared letters: anré. Private to "rénal": l. Private to "rénaux": ux.

"rénal" · 5 letters · shape CVCVC  ·  "rénaux" · 6 letters · shape CVCVVC

Frequently Asked Questions

Is swapping "rénal" for "rénaux" ever safe?
No. They are said differently (\ʁe.nal\ versus \ʁe.no\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "rénal" or "rénaux"?
"rénaux" is the more common of the two: it sits at frequency rank #47,019 in our French list, against #49,342 for "rénal". 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 "rénal" and "rénaux" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "rénal" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "rénaux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #703 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rénal" and "rénaux" also get mixed up with nearby pairs, the highest-scored neighbour is "rénal vs Renata". Nearby pair

Confusion rank #703 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