tonusvstounesWhich spelling fits?

Which to use

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

#35,755
“tonus” frequency rank
#43,188
“tounes” frequency rank
78943
confusion score

Side-by-Side Comparison

Feature tonus tounes
Definition Tension, contraction légère et permanente, tenue des muscles. Pluriel de toune.

Where the eye mixes tonus and tounes

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

5 ch
tonus
6 ch
tounes

Visual trap between tonus and tounes

A purely visual mix-up. tonus (\tɔ.nys\) and tounes (\tun\) 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 78943, derived from the frequency rank of both members and their visual similarity.

tonus is recorded at frequency rank #35,755, classified as anoun, pronounced \tɔ.nys\. tounes is at rank #43,188, tagged as anoun, pronounced \tun\.

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 78943, this pair ranks #24,451 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of tonus vs tounes

Shared letters: nostu. Private to "tonus": -. Private to "tounes": e.

"tonus" · 5 letters · shape CVCVC  ·  "tounes" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • tonus ← otnus · tnous · tonnus · tonsu · tonuss · touns · ttonus
  • tounes ← otunes · tonues · touens · touness · tounnes · tounse · ttounes · tuones

Frequently Asked Questions

Can "tonus" and "tounes" be used interchangeably?
No. They are said differently (\tɔ.nys\ versus \tun\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tonus" or "tounes"?
"tonus" is the more common of the two: it sits at frequency rank #35,755 in our French list, against #43,188 for "tounes". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "tonus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tounes" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #24,451 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "tonus" and "tounes" also get mixed up with nearby pairs, the highest-scored neighbour is "tounes vs trônes". 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 #24,451 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