Which to use
“pulsation” and “pulsion” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #43,619
- “pulsation” frequency rank
- #25,451
- “pulsion” frequency rank
- 69070
- confusion score
Side-by-Side Comparison
| Feature | pulsation | pulsion |
|---|---|---|
| Definition | Battement du cœur, d’une artère ou de tout autre organe naturellement contractile. | Propagation du mouvement dans un liquide ou un gaz. |
Where the eye mixes pulsation and pulsion
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. pulsation runs 9 letters (CVCCVCVVC) against pulsion's 7 (CVCCVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between pulsation and pulsion
A purely visual mix-up. pulsation (\pyl.sa.sjɔ̃\) and pulsion (\pyl.sjɔ̃\) 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 2 letter(s) in length. Our composite confusion score for this pair is 69070, derived from the frequency rank of both members and their visual similarity.
pulsation is recorded at frequency rank #43,619, classified as anoun, pronounced \pyl.sa.sjɔ̃\. pulsion is at rank #25,451, tagged as anoun, pronounced \pyl.sjɔ̃\.
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 69070, this pair ranks #56,593 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of pulsation vs pulsion
Shared letters: ilnopsu. Private to "pulsation": at. Private to "pulsion": -.
"pulsation" · 9 letters · shape CVCCVCVVC · "pulsion" · 7 letters · shape CVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "pulsation" for "pulsion" ever safe?
Which is more common, "pulsation" or "pulsion"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pulsation" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "pulsion" - compare definitions side by side with the headword page. Word entry
- This pair ranks #56,593 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "pulsation" and "pulsion" also get mixed up with nearby pairs, the highest-scored neighbour is "pulsation vs pulsations". 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 #56,593 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.