finstervsfünfterWhich spelling fits?

Quick tell: finster is a adjective, fünfter is an unknown, so they fill different roles in a sentence.

Which to use

“finster” is an adjective and “fünfter” is an unknown - they look or sound alike but fill different roles in a sentence.

#23,932
“finster” frequency rank
#15,631
“fünfter” frequency rank
39563
confusion score

Side-by-Side Comparison

Feature finster fünfter
Definition sehr dunkel unbestimmte männliche Deklination von fünfte

Where the eye mixes finster and fünfter

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
finster
7 ch
fünfter

Look-alike desk: finster vs fünfter

These two trip readers on the page rather than in the ear: finster is [ˈfɪnstɐ] while fünfter is [ˈfʏnftɐ]. 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 (adjective vs unknown), which is usually the fastest check. Our composite confusion score for this pair is 39563, derived from the frequency rank of both members and their visual similarity.

finster is recorded at frequency rank #23,932, classified as anadj, pronounced [ˈfɪnstɐ]. fünfter is at rank #15,631, tagged as anunknown, pronounced [ˈfʏnftɐ].

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 39563, this pair ranks #1,533,311 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of finster vs fünfter

Shared letters: efnrt. Private to "finster": is. Private to "fünfter": ü.

"finster" · 7 letters · shape CVCCCVC  ·  "fünfter" · 7 letters · shape CVCCCVC

Known mistypes of this pair

  • finsterffinster · finnster · finsetr · finsster · finsterr · finstre · finstter · fintser

Frequently Asked Questions

Is swapping "finster" for "fünfter" ever safe?
No - they are not even the same part of speech. "finster" is an adjective and "fünfter" an unknown, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "finster" vs "fünfter" - which ranks higher?
"fünfter" is the more common of the two: it sits at frequency rank #15,631 in our German list, against #23,932 for "finster". 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 "finster" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fünfter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,533,311 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "finster" and "fünfter" also get mixed up with nearby pairs, the highest-scored neighbour is "feinster vs finster". 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 #1,533,311 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