Which to use
“impulse” is a verb and “impulsif” is an adjective - they look or sound alike but fill different roles in a sentence.
- #47,954
- “impulse” frequency rank
- #28,205
- “impulsif” frequency rank
- 76159
- confusion score
Side-by-Side Comparison
| Feature | impulse | impulsif |
|---|---|---|
| Definition | Première personne du singulier de l’indicatif présent de impulser. | Qui donne une impulsion. |
Where the eye mixes impulse and impulsif
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: impulse vs impulsif
These two trip readers on the page rather than in the ear: impulse is \ɛ̃.pyls\ while impulsif is \ɛ̃.pyl.sif\. 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 (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 76159, derived from the frequency rank of both members and their visual similarity.
impulse is recorded at frequency rank #47,954, classified as averb, pronounced \ɛ̃.pyls\. impulsif is at rank #28,205, tagged as anadj, pronounced \ɛ̃.pyl.sif\.
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 76159, this pair ranks #31,931 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of impulse vs impulsif
Shared letters: ilmpsu. Private to "impulse": e. Private to "impulsif": f.
"impulse" · 7 letters · shape VCCVCCV · "impulsif" · 8 letters · shape VCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "impulse" and "impulsif" be used interchangeably?
Frequency check: "impulse" vs "impulsif" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "impulse" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "impulsif" - compare definitions side by side with the headword page. Word entry
- This pair ranks #31,931 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "impulse" and "impulsif" also get mixed up with nearby pairs, the highest-scored neighbour is "impulse vs impute". 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 #31,931 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.