Which to use
“Hai” is a noun and “Hanoï” is a name - they look or sound alike but fill different roles in a sentence.
- #30,196
- “Hai” frequency rank
- #31,986
- “Hanoï” frequency rank
- 62182
- confusion score
Side-by-Side Comparison
| Feature | Hai | Hanoï |
|---|---|---|
| Definition | Requin, squale. | Capitale du Viêt Nam. |
Where the eye mixes Hai and Hanoï
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. Hai runs 3 letters (CVV) against Hanoï's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: Hai vs Hanoï
These two trip readers on the page rather than in the ear: Hai is \haɪ̯\ while Hanoï is ^((h aspiré))\a.nɔj\. 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 (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 62182, derived from the frequency rank of both members and their visual similarity.
Hai is recorded at frequency rank #30,196, classified as anoun, pronounced \haɪ̯\. Hanoï is at rank #31,986, tagged as aname, pronounced ^((h aspiré))\a.nɔj\.
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 62182, this pair ranks #88,430 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of Hai vs Hanoï
Shared letters: ah. Private to "Hai": i. Private to "Hanoï": noï.
"Hai" · 3 letters · shape CVV · "Hanoï" · 5 letters · shape CVCVC
Frequently Asked Questions
Is swapping "Hai" for "Hanoï" ever safe?
Frequency check: "Hai" vs "Hanoï" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "Hai" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Hanoï" - compare definitions side by side with the headword page. Word entry
- This pair ranks #88,430 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "Hai" and "Hanoï" also get mixed up with nearby pairs, the highest-scored neighbour is "Hai vs hash". Nearby pair
Confusion rank #88,430 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.