folievsFolienTell them apart

Which to use

“folie” and “Folien” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#13,826
“folie” frequency rank
#20,921
“Folien” frequency rank
34747
confusion score

Side-by-Side Comparison

Feature folie Folien
Definition Irrsinn, Tollheit, Verrücktheit, Wahnsinn, Wahnwitz Nominativ Plural des Substantivs Folia

Where the eye mixes folie and Folien

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. folie runs 5 letters (CVCVV) against Folien's 6 (CVCVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
folie
6 ch
Folien

Visual trap between folie and Folien

A purely visual mix-up. folie ([fɔ.li]) and Folien ([foˈliːən]) 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 extra letter(s) - “folie” sits inside “Folien”. Our composite confusion score for this pair is 34747, derived from the frequency rank of both members and their visual similarity.

folie is recorded at frequency rank #13,826, classified as anoun, pronounced [fɔ.li]. Folien is at rank #20,921, tagged as anoun, pronounced [foˈliːən].

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 34747, this pair ranks #1,656,253 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of folie vs Folien

Shared letters: efilo. Private to "folie": -. Private to "Folien": n.

"folie" · 5 letters · shape CVCVV  ·  "Folien" · 6 letters · shape CVCVVC

Known mistypes of this pair

  • folie ← ffolie · floie · foile · folei · follie · oflie
  • Folien ← ffolien · floien · foilen · folein · folienn · foline · follien · oflien

Frequently Asked Questions

Can "folie" and "Folien" be used interchangeably?
No. They are said differently ([fɔ.li] versus [foˈliːən]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "folie" vs "Folien" - which ranks higher?
"folie" is the more common of the two: it sits at frequency rank #13,826 in our German list, against #20,921 for "Folien". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "folie" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Folien" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,656,253 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "folie" and "Folien" also get mixed up with nearby pairs, the highest-scored neighbour is "Folien vs folio". 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 #1,656,253 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