ideavsigenWhich spelling fits?

Quick tell: idea is a noun, igen is an adverb, so they fill different roles in a sentence.

Which to use

“idea” is a noun and “igen” is an adverb - they look or sound alike but fill different roles in a sentence.

#25,602
“idea” frequency rank
#38,824
“igen” frequency rank
64426
confusion score

Side-by-Side Comparison

Feature idea igen
Definition Idee ja

Where the eye mixes idea and igen

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
idea
4 ch
igen

Look-alike desk: idea vs igen

These two trip readers on the page rather than in the ear: idea is [ʌɪˈdɪə] while igen is [ˈiɡɛn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 64426, 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]. igen is at rank #38,824, tagged as anadv, pronounced [ˈiɡɛn].

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 64426, this pair ranks #642,014 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of idea vs igen

Shared letters: ei. Private to "idea": ad. Private to "igen": gn.

"idea" · 4 letters · shape VCVV  ·  "igen" · 4 letters · shape VCVC

Known mistypes of this pair

  • ideadiea · idae · iddea · ieda
  • igengien · iegn · igenn · iggen

Frequently Asked Questions

Can "idea" and "igen" be used interchangeably?
No - they are not even the same part of speech. "idea" is a noun and "igen" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "idea" vs "igen" - which ranks higher?
"idea" is the more common of the two: it sits at frequency rank #25,602 in our German list, against #38,824 for "igen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "idea" and "igen" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "idea" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "igen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #642,014 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "idea" and "igen" also get mixed up with nearby pairs, the highest-scored neighbour is "igen 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 #642,014 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list