naivsnailWhich spelling fits?

Which to use

“nai” and “nail” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#36,063
“nai” frequency rank
#35,614
“nail” frequency rank
71677
confusion score

Side-by-Side Comparison

Feature nai nail
Definition Flute de Pan roumaine. Ongle.

Where the eye mixes nai and nail

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. nai runs 3 letters (CVV) against nail's 4 (CVVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
nai
4 ch
nail

Why the eye confuses nai with nail

A purely visual mix-up. nai (\naj\) and nail ([neɪl]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “nai” sits inside “nail”. Our composite confusion score for this pair is 71677, derived from the frequency rank of both members and their visual similarity.

nai is recorded at frequency rank #36,063, classified as anoun, pronounced \naj\. nail is at rank #35,614, tagged as anoun, pronounced [neɪl].

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 71677, this pair ranks #46,713 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of nai vs nail

Shared letters: ain. Private to "nai": -. Private to "nail": l.

"nai" · 3 letters · shape CVV  ·  "nail" · 4 letters · shape CVVC

Known mistypes of this pair

  • nail ← anil · naill · nali · nial · nnail

Frequently Asked Questions

Is swapping "nai" for "nail" ever safe?
No. They are said differently (\naj\ versus [neɪl]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "nai" or "nail" show up more?
"nail" is the more common of the two: it sits at frequency rank #35,614 in our French list, against #36,063 for "nai". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "nai" and "nail" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "nai" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "nail" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #46,713 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "nai" and "nail" also get mixed up with nearby pairs, the highest-scored neighbour is "nai vs nop". 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 #46,713 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list