Which to use
“rationalen” and “rationaler” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,112
- “rationalen” frequency rank
- #48,406
- “rationaler” frequency rank
- 70518
- confusion score
Side-by-Side Comparison
| Feature | rationalen | rationaler |
|---|---|---|
| Definition | Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs rational | Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs rational |
Where the eye mixes rationalen and rationaler
Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.
Visual trap between rationalen and rationaler
A purely visual mix-up. rationalen ([ˌʁat͡si̯oˈnaːlən]) and rationaler ([ˌʁat͡si̯oˈnaːlɐ]) 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 a single letter - n in “rationalen” becomes r in “rationaler”. Our composite confusion score for this pair is 70518, derived from the frequency rank of both members and their visual similarity.
rationalen is recorded at frequency rank #22,112, classified as anadj, pronounced [ˌʁat͡si̯oˈnaːlən]. rationaler is at rank #48,406, tagged as anadj, pronounced [ˌʁat͡si̯oˈnaːlɐ].
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 70518, this pair ranks #443,946 of 2,006,359 scored German confusable pairs - among the most confusable pairs.
Orthographic DNA of rationalen vs rationaler
Shared letters: aeilnort. Private to "rationalen": -. Private to "rationaler": -.
"rationalen" · 10 letters · shape CVCVVCVCVC · "rationaler" · 10 letters · shape CVCVVCVCVC
Known mistypes of this pair
- rationalen ← artionalen · raitonalen · ratinoalen · ratioanlen · rationaeln · rationalenn · rationallen · rationalne
- rationaler ← artionaler · raitonaler · ratinoaler · ratioanler · rationaelr · rationalerr · rationaller · rationalre
Frequently Asked Questions
Can "rationalen" and "rationaler" be used interchangeably?
In ordinary German text, does "rationalen" or "rationaler" show up more?
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 "rationalen" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rationaler" - compare definitions side by side with the headword page. Word entry
- This pair ranks #443,946 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "rationalen" and "rationaler" also get mixed up with nearby pairs, the highest-scored neighbour is "rationale vs rationaler". 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 #443,946 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.