Which to use
“rational” and “regional” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #16,522
- “rational” frequency rank
- #5,211
- “regional” frequency rank
- 21733
- confusion score
Side-by-Side Comparison
| Feature | rational | regional |
|---|---|---|
| Definition | mit dem Verstand, der Vernunft zu tun habend | auf eine Region bezogen, Bezug nehmend |
Where the eye mixes rational and regional
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Why the eye confuses rational with regional
A purely visual mix-up. rational ([ˌʁat͡si̯oˈnaːl]) and regional ([ʁeɡi̯oˈnaːl]) 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 21733, derived from the frequency rank of both members and their visual similarity.
rational is recorded at frequency rank #16,522, classified as anadj, pronounced [ˌʁat͡si̯oˈnaːl]. regional is at rank #5,211, tagged as anadj, pronounced [ʁeɡi̯oˈnaːl].
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 21733, this pair ranks #1,882,785 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of rational vs regional
Shared letters: ailnor. Private to "rational": t. Private to "regional": eg.
"rational" · 8 letters · shape CVCVVCVC · "regional" · 8 letters · shape CVCVVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "rational" and "regional" mean the same thing in a sentence?
Which is more common, "rational" or "regional"?
What to do next
Eye-level mix-up between "rational" and "regional" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "rational" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "regional" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,882,785 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "rational" and "regional" also get mixed up with nearby pairs, the highest-scored neighbour is "rational 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 #1,882,785 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.