Which to use
“long” is an adjective and “luna” is a verb - they look or sound alike but fill different roles in a sentence.
- #401
- “long” frequency rank
- #14,078
- “luna” frequency rank
- 14479
- confusion score
Side-by-Side Comparison
| Feature | long | luna |
|---|---|---|
| Definition | Qualifie des objets considérés dans leur dimension d’une extrémité à l’autre, par opposition à court. | Troisième personne du singulier du passé simple de luner. |
Where the eye mixes long and luna
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses long with luna
These two trip readers on the page rather than in the ear: long is \lɔ̃\ while luna is \ly.na\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 14479, derived from the frequency rank of both members and their visual similarity.
long is recorded at frequency rank #401, classified as anadj, pronounced \lɔ̃\. luna is at rank #14,078, tagged as averb, pronounced \ly.na\.
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 14479, this pair ranks #396,460 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of long vs luna
Shared letters: ln. Private to "long": go. Private to "luna": au.
"long" · 4 letters · shape CVCC · "luna" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Can "long" and "luna" be used interchangeably?
In ordinary French text, does "long" or "luna" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "long" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "luna" - compare definitions side by side with the headword page. Word entry
- This pair ranks #396,460 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "long" and "luna" also get mixed up with nearby pairs, the highest-scored neighbour is "luna vs lure". 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 #396,460 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.