Which to use
“tat” is a verb and “tos” is a noun - they look or sound alike but fill different roles in a sentence.
- #38,065
- “tat” frequency rank
- #48,234
- “tos” frequency rank
- 86299
- confusion score
Side-by-Side Comparison
| Feature | tat | tos |
|---|---|---|
| Definition | Première personne du singulier du prétérit de l’indicatif à la forme active de tun. | Élève de première année à l’École polytechnique. |
Where the eye mixes tat and tos
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. tat and tos follow the identical consonant-vowel pattern (CVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: tat vs tos
These two trip readers on the page rather than in the ear: tat is \taːt\ while tos is \tos\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 86299, derived from the frequency rank of both members and their visual similarity.
tat is recorded at frequency rank #38,065, classified as averb, pronounced \taːt\. tos is at rank #48,234, tagged as anoun, pronounced \tos\.
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 86299, this pair ranks #9,910 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of tat vs tos
Shared letters: t. Private to "tat": a. Private to "tos": os.
"tat" · 3 letters · shape CVC · "tos" · 3 letters · shape CVC
Frequently Asked Questions
Can "tat" and "tos" be used interchangeably?
In ordinary French text, does "tat" or "tos" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "tat" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "tos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #9,910 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "tat" and "tos" also get mixed up with nearby pairs, the highest-scored neighbour is "tif vs tos". Nearby pair
Confusion rank #9,910 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.