réseauvsrésiduWhich spelling fits?

Which to use

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

#699
“réseau” frequency rank
#27,227
“résidu” frequency rank
27926
confusion score

Side-by-Side Comparison

Feature réseau résidu
Definition Ensemble d’objets ou de personnes connectés ou maintenus en liaison. Ce qui reste.

Where the eye mixes réseau and résidu

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. réseau (CVCVVV) and résidu (CVCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
réseau
6 ch
résidu

Look-alike desk: réseau vs résidu

A purely visual mix-up. réseau (\ʁe.zo\) and résidu (\ʁe.zi.dy\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 27926, derived from the frequency rank of both members and their visual similarity.

réseau is recorded at frequency rank #699, classified as anoun, pronounced \ʁe.zo\. résidu is at rank #27,227, tagged as anoun, pronounced \ʁe.zi.dy\.

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 27926, this pair ranks #325,921 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of réseau vs résidu

Shared letters: rsué. Private to "réseau": ae. Private to "résidu": di.

"réseau" · 6 letters · shape CVCVVV  ·  "résidu" · 6 letters · shape CVCVCV

Frequently Asked Questions

Is swapping "réseau" for "résidu" ever safe?
No. They are said differently (\ʁe.zo\ versus \ʁe.zi.dy\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "réseau" or "résidu"?
"réseau" is the more common of the two: it sits at frequency rank #699 in our French list, against #27,227 for "résidu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "réseau" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "résidu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #325,921 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "réseau" and "résidu" also get mixed up with nearby pairs, the highest-scored neighbour is "résidu vs résiduel". Nearby pair

Confusion rank #325,921 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