tosvstunTell them apart

Which to use

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

#48,234
“tos” frequency rank
#49,414
“tun” frequency rank
97648
confusion score

Side-by-Side Comparison

Feature tos tun
Definition Élève de première année à l’École polytechnique. Craie glauconieuse.

Where the eye mixes tos and tun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. tos and tun follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.

3 ch
tos
3 ch
tun

Look-alike desk: tos vs tun

A purely visual mix-up. tos (\tos\) and tun (\tyn\) 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 97648, derived from the frequency rank of both members and their visual similarity.

tos is recorded at frequency rank #48,234, classified as anoun, pronounced \tos\. tun is at rank #49,414, tagged as anoun, pronounced \tyn\.

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 97648, this pair ranks #286 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of tos vs tun

Shared letters: t. Private to "tos": os. Private to "tun": nu.

"tos" · 3 letters · shape CVC  ·  "tun" · 3 letters · shape CVC

Frequently Asked Questions

Can "tos" and "tun" be used interchangeably?
No. They are said differently (\tos\ versus \tyn\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "tos" or "tun"?
"tos" is the more common of the two: it sits at frequency rank #48,234 in our French list, against #49,414 for "tun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "tos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "tun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #286 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "tos" and "tun" also get mixed up with nearby pairs, the highest-scored neighbour is "tif vs tun". Nearby pair

Confusion rank #286 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