Which to use
“idea” and “Index” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #25,602
- “idea” frequency rank
- #4,127
- “Index” frequency rank
- 29729
- confusion score
Side-by-Side Comparison
| Feature | idea | Index |
|---|---|---|
| Definition | Idee | Register, zum Beispiel als alphabetisches Stichwortverzeichnis oder als eine graphische Übersicht (zum Beispiel der Abdeckung eines Gebietes mit Kartenblättern) |
Where the eye mixes idea and Index
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses idea with Index
A purely visual mix-up. idea ([ʌɪˈdɪə]) and Index ([ˈɪndɛks]) 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 1 letter(s) in length. Our composite confusion score for this pair is 29729, derived from the frequency rank of both members and their visual similarity.
idea is recorded at frequency rank #25,602, classified as anoun, pronounced [ʌɪˈdɪə]. Index is at rank #4,127, tagged as anoun, pronounced [ˈɪndɛks].
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 29729, this pair ranks #1,761,376 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of idea vs Index
Shared letters: dei. Private to "idea": a. Private to "Index": nx.
"idea" · 4 letters · shape VCVV · "Index" · 5 letters · shape VCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "idea" for "Index" ever safe?
Frequency check: "idea" vs "Index" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "idea" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Index" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,761,376 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "idea" and "Index" also get mixed up with nearby pairs, the highest-scored neighbour is "idea vs ile". 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 #1,761,376 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.