FDJvsFonTell them apart

Which to use

“FDJ” and “Fon” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#30,044
“FDJ” frequency rank
#43,878
“Fon” frequency rank
73922
confusion score

Side-by-Side Comparison

Feature FDJ Fon
Definition ehemaliger, sozialistischer Jugendverband in der DDR Telefon

Where the eye mixes FDJ and Fon

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence. FDJ (CCC) and Fon (CVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

3 ch
FDJ
3 ch
Fon

Visual trap between FDJ and Fon

A purely visual mix-up. FDJ ([ɛfdeːˈjɔt]) and Fon ([foːn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 73922, derived from the frequency rank of both members and their visual similarity.

FDJ is recorded at frequency rank #30,044, classified as anabbrev, pronounced [ɛfdeːˈjɔt]. Fon is at rank #43,878, tagged as anabbrev, pronounced [foːn].

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 73922, this pair ranks #347,333 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of FDJ vs Fon

Shared letters: f. Private to "FDJ": dj. Private to "Fon": no.

"FDJ" · 3 letters · shape CCC  ·  "Fon" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "FDJ" for "Fon" ever safe?
No. They are said differently ([ɛfdeːˈjɔt] versus [foːn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "FDJ" vs "Fon" - which ranks higher?
"FDJ" is the more common of the two: it sits at frequency rank #30,044 in our German list, against #43,878 for "Fon". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "FDJ" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Fon" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #347,333 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "FDJ" and "Fon" also get mixed up with nearby pairs, the highest-scored neighbour is "Fock vs Fon". Nearby pair

Confusion rank #347,333 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