Which to use
“long” is an adjective and “loo” is a noun - they look or sound alike but fill different roles in a sentence.
- #401
- “long” frequency rank
- #47,432
- “loo” frequency rank
- 47833
- confusion score
Side-by-Side Comparison
| Feature | long | loo |
|---|---|---|
| Definition | Qualifie des objets considérés dans leur dimension d’une extrémité à l’autre, par opposition à court. | Cabinets, toilettes, waters, petit coin (pièce destinée à faire ses besoins). |
Where the eye mixes long and loo
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses long with loo
These two trip readers on the page rather than in the ear: long is \lɔ̃\ while loo is \lu\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 47833, derived from the frequency rank of both members and their visual similarity.
long is recorded at frequency rank #401, classified as anadj, pronounced \lɔ̃\. loo is at rank #47,432, tagged as anoun, pronounced \lu\.
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 47833, this pair ranks #183,780 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of long vs loo
Shared letters: lo. Private to "long": gn. Private to "loo": -.
"long" · 4 letters · shape CVCC · "loo" · 3 letters · shape CVV
Known mistypes of this pair
- long ← llong · lnog · logn · longg · lonng · olng
Frequently Asked Questions
Can "long" and "loo" be used interchangeably?
Frequency check: "long" vs "loo" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "long" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "loo" - compare definitions side by side with the headword page. Word entry
- This pair ranks #183,780 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "long" and "loo" also get mixed up with nearby pairs, the highest-scored neighbour is "longo vs loo". 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 #183,780 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.