Which to use
“union” and “unisson” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #858
- “union” frequency rank
- #27,278
- “unisson” frequency rank
- 28136
- confusion score
Side-by-Side Comparison
| Feature | union | unisson |
|---|---|---|
| Definition | Opérateur de la théorie des ensembles, qui regroupe au sein d'un même ensemble les éléments de deux ensembles. Désigne également l'opération (le fait d'unir deux ensembles) ainsi que le résultat de cette opération, c'est-à-dire l'ensemble contenant tous les éléments appartenant à deux autres ensembles. | Son unique chanté par deux ou plusieurs voix, joué par deux ou plusieurs instruments. |
Where the spellings diverge
Shared letters are muted; the letters that actually set union and unisson apart are highlighted. They share 5 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
union and unisson form a confusable pair in the French index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 28136, derived from the frequency rank of both members and their visual similarity.
union is recorded at frequency rank #858, classified as anoun, pronounced \y.njɔ̃\. unisson is at rank #27,278, tagged as anoun, pronounced \y.ni.sɔ̃\.
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 28136, this pair ranks #324,688 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Frequency comparison
Frequently Asked Questions
Can "union" and "unisson" be used interchangeably?
Remembering union vs unisson
The fastest way to pick the right one every time.
- Read both glosses above and match the meaning you intend, only context separates this pair.
- See each word in full, definition, IPA, etymology and its other confusables. Full “union” entry
- Browse more pairs most likely to be confused. Most confusable