Which to use
“thaïs” is an adjective and “their” is a determiner - they look or sound alike but fill different roles in a sentence.
- #42,083
- “thaïs” frequency rank
- #16,023
- “their” frequency rank
- 58106
- confusion score
Side-by-Side Comparison
| Feature | thaïs | their |
|---|---|---|
| Definition | Masculin pluriel de thaï. | Leur, leurs. |
Where the eye mixes thaïs and their
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between thaïs and their
These two trip readers on the page rather than in the ear: thaïs is \taj\ while their is \ðɛə(ɹ)\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (adjective vs determiner), which is usually the fastest check. Our composite confusion score for this pair is 58106, derived from the frequency rank of both members and their visual similarity.
thaïs is recorded at frequency rank #42,083, classified as anadj, pronounced \taj\. their is at rank #16,023, tagged as adet, pronounced \ðɛə(ɹ)\.
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 58106, this pair ranks #110,992 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of thaïs vs their
Shared letters: ht. Private to "thaïs": asï. Private to "their": eir.
"thaïs" · 5 letters · shape CCVCC · "their" · 5 letters · shape CCVVC
Known mistypes of this pair
- their ← hteir · tehir · theirr · theri · thheir · thier · ttheir
Frequently Asked Questions
Do "thaïs" and "their" mean the same thing in a sentence?
In ordinary French text, does "thaïs" or "their" show up more?
Useful next steps
Eye-level mix-up between "thaïs" and "their" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "thaïs" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "their" - compare definitions side by side with the headword page. Word entry
- This pair ranks #110,992 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "thaïs" and "their" also get mixed up with nearby pairs, the highest-scored neighbour is "thaïs vs thons". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #110,992 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.