Which to use
“thu” is a noun and “too” is an adverb - they look or sound alike but fill different roles in a sentence.
- #48,228
- “thu” frequency rank
- #13,484
- “too” frequency rank
- 61712
- confusion score
Side-by-Side Comparison
| Feature | thu | too |
|---|---|---|
| Definition | Forme mutée de tu par spirantisation. | Aussi, également. |
Where the eye mixes thu and too
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Why the eye confuses thu with too
These two trip readers on the page rather than in the ear: thu is \θɨː\ while too is \ˈtu\. 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 (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 61712, derived from the frequency rank of both members and their visual similarity.
thu is recorded at frequency rank #48,228, classified as anoun, pronounced \θɨː\. too is at rank #13,484, tagged as anadv, pronounced \ˈtu\.
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 61712, this pair ranks #90,844 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of thu vs too
Shared letters: t. Private to "thu": hu. Private to "too": o.
"thu" · 3 letters · shape CCV · "too" · 3 letters · shape CVV
Frequently Asked Questions
Do "thu" and "too" mean the same thing in a sentence?
In ordinary French text, does "thu" or "too" show up more?
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 "thu" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "too" - compare definitions side by side with the headword page. Word entry
- This pair ranks #90,844 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "thu" and "too" also get mixed up with nearby pairs, the highest-scored neighbour is "thu vs tif". Nearby pair
Confusion rank #90,844 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.