raisonvsrationWhat's the difference?

Which to use

“raison” and “ration” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#259
“raison” frequency rank
#19,645
“ration” frequency rank
19904
confusion score

Side-by-Side Comparison

Feature raison ration
Definition Faculté intellectuelle par laquelle l’homme connaît, juge et se conduit ; entendement. Portion journalière soit de pain, soit d’autres vivres, soit de fourrage, qui se distribue aux soldats ou aux marins.

Where the eye mixes raison and ration

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. raison (CVVCVC) and ration (CVCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
raison
6 ch
ration

Why the eye confuses raison with ration

A purely visual mix-up. raison (\ʁɛ.zɔ̃\) and ration (\ʁa.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 19904, derived from the frequency rank of both members and their visual similarity.

raison is recorded at frequency rank #259, classified as anoun, pronounced \ʁɛ.zɔ̃\. ration is at rank #19,645, tagged as anoun, pronounced \ʁa.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 19904, this pair ranks #370,938 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of raison vs ration

Shared letters: ainor. Private to "raison": s. Private to "ration": t.

"raison" · 6 letters · shape CVVCVC  ·  "ration" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • raison ← arison · raiosn · raisno · raisonn · raisson · rasion · riason · rraison
  • ration ← artion · raiton · ratino · rationn · ratoin · rattion · rration · rtaion

Frequently Asked Questions

Is swapping "raison" for "ration" ever safe?
No. They are said differently (\ʁɛ.zɔ̃\ versus \ʁa.sjɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "raison" vs "ration" - which ranks higher?
"raison" is the more common of the two: it sits at frequency rank #259 in our French list, against #19,645 for "ration". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "raison" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ration" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #370,938 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "raison" and "ration" also get mixed up with nearby pairs, the highest-scored neighbour is "radon vs ration". 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 #370,938 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list