Which to use
“classer” is a verb and “cluster” is a noun - they look or sound alike but fill different roles in a sentence.
- #10,470
- “classer” frequency rank
- #31,408
- “cluster” frequency rank
- 41878
- confusion score
Side-by-Side Comparison
| Feature | classer | cluster |
|---|---|---|
| Definition | Ranger, distribuer par classes. Ranger des éléments suivant des critères ou des caractères communs. | Agglomérat d’un petit nombre d’objets. |
Where the eye mixes classer and cluster
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Why the eye confuses classer with cluster
These two trip readers on the page rather than in the ear: classer is \klɑ.se\ while cluster is \klœs.tœʁ\. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 41878, derived from the frequency rank of both members and their visual similarity.
classer is recorded at frequency rank #10,470, classified as averb, pronounced \klɑ.se\. cluster is at rank #31,408, tagged as anoun, pronounced \klœs.tœʁ\.
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 41878, this pair ranks #229,855 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of classer vs cluster
Shared letters: celrs. Private to "classer": a. Private to "cluster": tu.
"classer" · 7 letters · shape CCVCCVC · "cluster" · 7 letters · shape CCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "classer" for "cluster" ever safe?
Frequency check: "classer" vs "cluster" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "classer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cluster" - compare definitions side by side with the headword page. Word entry
- This pair ranks #229,855 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "classer" and "cluster" also get mixed up with nearby pairs, the highest-scored neighbour is "cluster vs clusters". 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 #229,855 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.