feivsfixConfusable pair

Quick tell: fei is a particle, fix is an adjective, so they fill different roles in a sentence.

Which to use

“fei” is a particle and “fix” is an adjective - they look or sound alike but fill different roles in a sentence.

#21,248
“fei” frequency rank
#6,793
“fix” frequency rank
28041
confusion score

Side-by-Side Comparison

Feature fei fix
Definition erzgebirgisch, fränkisch, süddeutsch, oberdeutsch, drückt aus, dass man annimmt, dass die oder der Angesprochene das Gesagte noch nicht weiß starr, unveränderlich

Where the eye mixes fei and fix

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
fei
3 ch
fix

Visual trap between fei and fix

These two trip readers on the page rather than in the ear: fei is [faɪ̯] while fix is [fɪks]. 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 (particle vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 28041, derived from the frequency rank of both members and their visual similarity.

fei is recorded at frequency rank #21,248, classified as aparticle, pronounced [faɪ̯]. fix is at rank #6,793, tagged as anadj, pronounced [fɪks].

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 28041, this pair ranks #1,791,593 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fei vs fix

Shared letters: fi. Private to "fei": e. Private to "fix": x.

"fei" · 3 letters · shape CVV  ·  "fix" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "fei" for "fix" ever safe?
No - they are not even the same part of speech. "fei" is a particle and "fix" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fei" or "fix"?
"fix" is the more common of the two: it sits at frequency rank #6,793 in our German list, against #21,248 for "fei". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "fei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fix" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,791,593 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fei" and "fix" also get mixed up with nearby pairs, the highest-scored neighbour is "fay vs fei". Nearby pair

Confusion rank #1,791,593 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