FenstervsfetterConfusable pair

Quick tell: Fenster is a noun, fetter is an adjective, so they fill different roles in a sentence.

Which to use

“Fenster” is a noun and “fetter” is an adjective - they look or sound alike but fill different roles in a sentence.

#1,129
“Fenster” frequency rank
#18,238
“fetter” frequency rank
19367
confusion score

Side-by-Side Comparison

Feature Fenster fetter
Definition eine baulich verschieden ausgestaltete verglaste Öffnung in einem Bauwerk, deren hauptsächliche Funktion darin besteht, Licht in das Bauwerk zu führen und dieses zu belüften Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs fett

Where the eye mixes Fenster and fetter

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. Fenster runs 7 letters (CVCCCVC) against fetter's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
Fenster
6 ch
fetter

Why the eye confuses Fenster with fetter

These two trip readers on the page rather than in the ear: Fenster is [ˈfɛnstɐ] while fetter is [ˈfɛtɐ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 19367, derived from the frequency rank of both members and their visual similarity.

Fenster is recorded at frequency rank #1,129, classified as anoun, pronounced [ˈfɛnstɐ]. fetter is at rank #18,238, tagged as anadj, pronounced [ˈfɛtɐ].

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 19367, this pair ranks #1,909,093 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Fenster vs fetter

Shared letters: efrt. Private to "Fenster": ns. Private to "fetter": -.

"Fenster" · 7 letters · shape CVCCCVC  ·  "fetter" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • Fenster ← efnster · fennster · fensetr · fensster · fensterr · fenstre · fenstter · fentser
  • fetter ← eftter · feter · fetetr · fetterr · fettre · ffetter · fteter

Frequently Asked Questions

Is swapping "Fenster" for "fetter" ever safe?
No - they are not even the same part of speech. "Fenster" is a noun and "fetter" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Fenster" vs "fetter" - which ranks higher?
"Fenster" is the more common of the two: it sits at frequency rank #1,129 in our German list, against #18,238 for "fetter". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "Fenster" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fetter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,909,093 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Fenster" and "fetter" also get mixed up with nearby pairs, the highest-scored neighbour is "fender vs fetter". 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 #1,909,093 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