Which to use
“too” is an adverb and “tos” is a noun - they look or sound alike but fill different roles in a sentence.
- #13,484
- “too” frequency rank
- #48,234
- “tos” frequency rank
- 61718
- confusion score
Side-by-Side Comparison
| Feature | too | tos |
|---|---|---|
| Definition | Aussi, également. | Élève de première année à l’École polytechnique. |
Where the eye mixes too and tos
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses too with tos
These two trip readers on the page rather than in the ear: too is \ˈtu\ while tos is \tos\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - o in “too” becomes s in “tos”, and the parts of speech differ too (adverb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 61718, derived from the frequency rank of both members and their visual similarity.
too is recorded at frequency rank #13,484, classified as anadv, pronounced \ˈtu\. 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 61718, this pair ranks #90,813 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of too vs tos
Shared letters: ot. Private to "too": -. Private to "tos": s.
"too" · 3 letters · shape CVV · "tos" · 3 letters · shape CVC
Frequently Asked Questions
Can "too" and "tos" be used interchangeably?
In ordinary French text, does "too" or "tos" show up more?
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 "too" 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 #90,813 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "too" and "tos" also get mixed up with nearby pairs, the highest-scored neighbour is "tif vs tos". Nearby pair
Confusion rank #90,813 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.