Which to use
“rationalen” and “regionalen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #22,112
- “rationalen” frequency rank
- #5,212
- “regionalen” frequency rank
- 27324
- confusion score
Side-by-Side Comparison
| Feature | rationalen | regionalen |
|---|---|---|
| Definition | Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs rational | Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs regional |
Where the eye mixes rationalen and regionalen
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. rationalen and regionalen follow the identical consonant-vowel pattern (CVCVVCVCVC). Same shape at a glance is often the real trap, independent of shared letters.
Why the eye confuses rationalen with regionalen
A purely visual mix-up. rationalen ([ˌʁat͡si̯oˈnaːlən]) and regionalen ([ʁeɡi̯oˈnaːlən]) 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 27324, 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]. regionalen is at rank #5,212, tagged as anadj, pronounced [ʁeɡi̯oˈnaːlən].
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 27324, this pair ranks #1,803,608 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of rationalen vs regionalen
Shared letters: aeilnor. Private to "rationalen": t. Private to "regionalen": g.
"rationalen" · 10 letters · shape CVCVVCVCVC · "regionalen" · 10 letters · shape CVCVVCVCVC
Known mistypes of this pair
- rationalen ← artionalen · raitonalen · ratinoalen · ratioanlen · rationaeln · rationalenn · rationallen · rationalne
- regionalen ← ergionalen · reggionalen · reginoalen · regioanlen · regionaeln · regionalenn · regionallen · regionalne
Frequently Asked Questions
Do "rationalen" and "regionalen" mean the same thing in a sentence?
Frequency check: "rationalen" vs "regionalen" - which ranks higher?
After this comparison
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 "regionalen" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,803,608 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "rationalen" and "regionalen" also get mixed up with nearby pairs, the highest-scored neighbour is "rationalen 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 #1,803,608 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.