fivsfürWhich spelling fits?

Quick tell: fi is a adjective, für is a preposition, so they fill different roles in a sentence.

Which to use

“fi” is an adjective and “für” is a preposition - they look or sound alike but fill different roles in a sentence.

#8,710
“fi” frequency rank
#16
“für” frequency rank
8726
confusion score

Side-by-Side Comparison

Feature fi für
Definition fein etwas oder jemand ist an etwas jemanden gerichtet, bestimmt, zugeordnet

Letter map: fi vs für

Shared letters muted; letters that set fi and für apart highlighted. Shared run: 1.

2 ch
fi
3 ch
für

Role in the sentence - fi and für

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fi is anadjective and fürapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 8726, derived from the frequency rank of both members and their visual similarity.

fi is recorded at frequency rank #8,710, classified as anadj, pronounced […]. für is at rank #16, tagged as aprep, pronounced [fyːɐ̯].

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 8726, this pair ranks #1,983,094 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fi vs für

Shared letters: f. Private to "fi": i. Private to "für": .

"fi" · 2 letters · shape CV  ·  "für" · 3 letters · shape CVC

Frequently Asked Questions

Can "fi" and "für" be used interchangeably?
No - they are not even the same part of speech. "fi" is an adjective and "für" a preposition, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "fi" or "für" show up more?
"für" is the more common of the two: it sits at frequency rank #16 in our German list, against #8,710 for "fi". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

You've compared "fi" and "für". Here's where to go from here.

  • Full dictionary entry for "fi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "für" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,983,094 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fi" and "für" also get mixed up with nearby pairs, the highest-scored neighbour is "fi vs puzzles". Nearby pair

Confusion rank #1,983,094 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