Which to use
“expansion” and “expulsion” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #5,036
- “expansion” frequency rank
- #8,243
- “expulsion” frequency rank
- 13279
- confusion score
Side-by-Side Comparison
| Feature | expansion | expulsion |
|---|---|---|
| Definition | Action ou état d’un corps fluide qui se dilate. | Action d’expulser. |
Where the eye mixes expansion and expulsion
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. expansion and expulsion follow the identical consonant-vowel pattern (VCCVCCVVC). Same shape at a glance is often the real trap, independent of shared letters.
Visual trap between expansion and expulsion
A purely visual mix-up. expansion (\ɛk.spɑ̃.sjɔ̃\) and expulsion (\ɛks.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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 13279, derived from the frequency rank of both members and their visual similarity.
expansion is recorded at frequency rank #5,036, classified as anoun, pronounced \ɛk.spɑ̃.sjɔ̃\. expulsion is at rank #8,243, tagged as anoun, pronounced \ɛks.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 13279, this pair ranks #401,675 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of expansion vs expulsion
Shared letters: einopsx. Private to "expansion": a. Private to "expulsion": lu.
"expansion" · 9 letters · shape VCCVCCVVC · "expulsion" · 9 letters · shape VCCVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "expansion" for "expulsion" ever safe?
Frequency check: "expansion" vs "expulsion" - which ranks higher?
What to do next
Eye-level mix-up between "expansion" and "expulsion" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "expansion" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "expulsion" - compare definitions side by side with the headword page. Word entry
- This pair ranks #401,675 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "expansion" and "expulsion" also get mixed up with nearby pairs, the highest-scored neighbour is "émulsion vs expulsion". 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 #401,675 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.