tonusvstoursTell them apart

Which to use

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

#35,755
“tonus” frequency rank
#2,105
“tours” frequency rank
37860
confusion score

Side-by-Side Comparison

Feature tonus tours
Definition Tension, contraction légère et permanente, tenue des muscles. Pluriel de tour.

Where the eye mixes tonus and tours

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
tonus
5 ch
tours

Why the eye confuses tonus with tours

A purely visual mix-up. tonus (\tɔ.nys\) and tours (\tuʁ\) 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 37860, 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\. tours is at rank #2,105, tagged as anoun, pronounced \tuʁ\.

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 37860, this pair ranks #259,460 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of tonus vs tours

Shared letters: ostu. Private to "tonus": n. Private to "tours": r.

"tonus" · 5 letters · shape CVCVC  ·  "tours" · 5 letters · shape CVVCC

Known mistypes of this pair

  • tonusotnus · tnous · tonnus · tonsu · tonuss · touns · ttonus
  • toursoturs · torus · tourrs · tourss · tousr · ttours · tuors

Frequently Asked Questions

Is swapping "tonus" for "tours" ever safe?
No. They are said differently (\tɔ.nys\ versus \tuʁ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tonus" or "tours"?
"tours" is the more common of the two: it sits at frequency rank #2,105 in our French list, against #35,755 for "tonus". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "tonus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tours" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #259,460 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "tonus" and "tours" also get mixed up with nearby pairs, the highest-scored neighbour is "tonus 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 #259,460 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