Which to use
“thaï” is an adjective and “thu” is a noun - they look or sound alike but fill different roles in a sentence.
- #21,484
- “thaï” frequency rank
- #48,228
- “thu” frequency rank
- 69712
- confusion score
Side-by-Side Comparison
| Feature | thaï | thu |
|---|---|---|
| Definition | Relatif aux langues du groupe thaï, ou aux populations qui parlent ces langues. | Forme mutée de tu par spirantisation. |
Where the eye mixes thaï and thu
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses thaï with thu
These two trip readers on the page rather than in the ear: thaï is \taj\ while thu is \θɨː\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 69712, derived from the frequency rank of both members and their visual similarity.
thaï is recorded at frequency rank #21,484, classified as anadj, pronounced \taj\. thu is at rank #48,228, tagged as anoun, pronounced \θɨː\.
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 69712, this pair ranks #54,102 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of thaï vs thu
Shared letters: ht. Private to "thaï": aï. Private to "thu": u.
"thaï" · 4 letters · shape CCVC · "thu" · 3 letters · shape CCV
Frequently Asked Questions
Is swapping "thaï" for "thu" ever safe?
Which is more common, "thaï" or "thu"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "thaï" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "thu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #54,102 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "thaï" and "thu" also get mixed up with nearby pairs, the highest-scored neighbour is "thu vs tif". Nearby pair
Confusion rank #54,102 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.