Which to use
“input” and “insu” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #46,237
- “input” frequency rank
- #12,987
- “insu” frequency rank
- 59224
- confusion score
Side-by-Side Comparison
| Feature | input | insu |
|---|---|---|
| Definition | Intrant. | Utilisé uniquement dans la locution figée à l’insu de quelqu'un, et, dans les locutions analogues, à mon insu, à votre insu… C’est-à-dire la chose n'étant pas sue de quelqu'un, de moi, de vous, etc. |
Where the eye mixes input and insu
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses input with insu
A purely visual mix-up. input (\in.put\) and insu (\ɛ̃.sy\) 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 letter(s) in length. Our composite confusion score for this pair is 59224, derived from the frequency rank of both members and their visual similarity.
input is recorded at frequency rank #46,237, classified as anoun, pronounced \in.put\. insu is at rank #12,987, tagged as anoun, pronounced \ɛ̃.sy\.
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 59224, this pair ranks #104,358 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of input vs insu
Shared letters: inu. Private to "input": pt. Private to "insu": s.
"input" · 5 letters · shape VCCVC · "insu" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "input" for "insu" ever safe?
In ordinary French text, does "input" or "insu" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "input" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "insu" - compare definitions side by side with the headword page. Word entry
- This pair ranks #104,358 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "input" and "insu" also get mixed up with nearby pairs, the highest-scored neighbour is "impute vs input". 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 #104,358 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.