rénalvsrenomWhich spelling fits?

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

Which to use

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

#49,342
“rénal” frequency rank
#15,230
“renom” frequency rank
64572
confusion score

Side-by-Side Comparison

Feature rénal renom
Definition Qui a rapport aux reins ; qui appartient aux reins. Réputation ; opinion que le public a d’une personne, d’une chose.

Where the eye mixes rénal and renom

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. rénal and renom follow the identical consonant-vowel pattern (CVCVC). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
rénal
5 ch
renom

Visual trap between rénal and renom

These two trip readers on the page rather than in the ear: rénal is \ʁe.nal\ while renom is \ʁə.nɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 64572, 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\. renom is at rank #15,230, tagged as anoun, pronounced \ʁə.nɔ̃\.

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 64572, this pair ranks #76,406 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of rénal vs renom

Shared letters: nr. Private to "rénal": alé. Private to "renom": emo.

"rénal" · 5 letters · shape CVCVC  ·  "renom" · 5 letters · shape CVCVC

Known mistypes of this pair

  • renom ← ernom · renmo · rennom · renomm · reonm · rneom · rrenom

Frequently Asked Questions

Is swapping "rénal" for "renom" ever safe?
No - they are not even the same part of speech. "rénal" is an adjective and "renom" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "rénal" or "renom" show up more?
"renom" is the more common of the two: it sits at frequency rank #15,230 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.

What to do next

Eye-level mix-up between "rénal" and "renom" 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 "renom" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #76,406 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "rénal" and "renom" also get mixed up with nearby pairs, the highest-scored neighbour is "rénal vs Renata". 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 #76,406 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