feivsFujiTell them apart

Quick tell: fei is a particle, Fuji is a noun, so they fill different roles in a sentence.

Which to use

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

#21,248
“fei” frequency rank
#41,823
“Fuji” frequency rank
63071
confusion score

Side-by-Side Comparison

Feature fei Fuji
Definition erzgebirgisch, fränkisch, süddeutsch, oberdeutsch, drückt aus, dass man annimmt, dass die oder der Angesprochene das Gesagte noch nicht weiß japanische Apfelsorte

Where the eye mixes fei and Fuji

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. fei runs 3 letters (CVV) against Fuji's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

3 ch
fei
4 ch
Fuji

Visual trap between fei and Fuji

These two trip readers on the page rather than in the ear: fei is [faɪ̯] while Fuji is [ˈfud͡ʒi]. 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 (particle vs noun), which is usually the fastest check. Our composite confusion score for this pair is 63071, 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]. Fuji is at rank #41,823, tagged as anoun, pronounced [ˈfud͡ʒi].

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 63071, this pair ranks #689,908 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fei vs Fuji

Shared letters: fi. Private to "fei": e. Private to "Fuji": ju.

"fei" · 3 letters · shape CVV  ·  "Fuji" · 4 letters · shape CVCV

Known mistypes of this pair

  • Fuji ← ffuji · fjui · fuij · fujji · ufji

Frequently Asked Questions

Is swapping "fei" for "Fuji" ever safe?
No - they are not even the same part of speech. "fei" is a particle and "Fuji" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fei" vs "Fuji" - which ranks higher?
"fei" is the more common of the two: it sits at frequency rank #21,248 in our German list, against #41,823 for "Fuji". 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 "fei" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Fuji" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #689,908 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fei" and "Fuji" also get mixed up with nearby pairs, the highest-scored neighbour is "FSJ vs Fuji". 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 #689,908 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