feinervsfiberTell them apart

Quick tell: feiner is a adjective, fiber is a noun, so they fill different roles in a sentence.

Which to use

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

#11,426
“feiner” frequency rank
#47,388
“fiber” frequency rank
58814
confusion score

Side-by-Side Comparison

Feature feiner fiber
Definition Nominativ Singular Maskulinum Positiv der starken Flexion des Adjektivs fein Faser

Letter map: feiner vs fiber

Shared letters muted; letters that set feiner and fiber apart highlighted. Shared run: 4. feiner runs 6 letters (CVVCVC) against fiber's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
feiner
5 ch
fiber

Grammar separator: feiner vs fiber

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: feiner is anadjective and fiberanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 58814, derived from the frequency rank of both members and their visual similarity.

feiner is recorded at frequency rank #11,426, classified as anadj, pronounced [ˈfaɪ̯nɐ]. fiber is at rank #47,388, tagged as anoun, pronounced […].

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 58814, this pair ranks #848,317 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of feiner vs fiber

Shared letters: efir. Private to "feiner": n. Private to "fiber": b.

"feiner" · 6 letters · shape CVVCVC  ·  "fiber" · 5 letters · shape CVCVC

Known mistypes of this pair

  • feiner ← efiner · feinerr · feinner · feinre · fenier · ffeiner · fiener
  • fiber ← fbier · ffiber · fibber · fiberr · fibre · fiebr · ifber

Frequently Asked Questions

Is swapping "feiner" for "fiber" ever safe?
No - they are not even the same part of speech. "feiner" is an adjective and "fiber" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "feiner" vs "fiber" - which ranks higher?
"feiner" is the more common of the two: it sits at frequency rank #11,426 in our German list, against #47,388 for "fiber". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "feiner" vs "fiber" is on the table, pick a follow-up below.

  • Full dictionary entry for "feiner" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fiber" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #848,317 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "feiner" and "fiber" also get mixed up with nearby pairs, the highest-scored neighbour is "fiber vs puzzles". 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 #848,317 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