Which to use
“Isaïe” is a name and “isi” is a verb - they look or sound alike but fill different roles in a sentence.
- #38,374
- “Isaïe” frequency rank
- #49,170
- “isi” frequency rank
- 87544
- confusion score
Side-by-Side Comparison
| Feature | Isaïe | isi |
|---|---|---|
| Definition | Prophète de la Bible. | Deuxième personne du singulier du futur de l’indicatif du verbe isal/isañ. |
Where the eye mixes Isaïe and isi
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. Isaïe runs 5 letters (VCVCV) against isi's 3 (VCV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between Isaïe and isi
These two trip readers on the page rather than in the ear: Isaïe is \i.za.i\ while isi is \ˈisːi\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs verb), which is usually the fastest check. Our composite confusion score for this pair is 87544, derived from the frequency rank of both members and their visual similarity.
Isaïe is recorded at frequency rank #38,374, classified as aname, pronounced \i.za.i\. isi is at rank #49,170, tagged as averb, pronounced \ˈisːi\.
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 87544, this pair ranks #8,138 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of Isaïe vs isi
Shared letters: is. Private to "Isaïe": aeï. Private to "isi": -.
"Isaïe" · 5 letters · shape VCVCV · "isi" · 3 letters · shape VCV
Frequently Asked Questions
Is swapping "Isaïe" for "isi" ever safe?
In ordinary French text, does "Isaïe" or "isi" show up more?
What to do next
Eye-level mix-up between "Isaïe" and "isi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Isaïe" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "isi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #8,138 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Isaïe" and "isi" also get mixed up with nearby pairs, the highest-scored neighbour is "ime vs isi". Nearby pair
Confusion rank #8,138 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.