Which to use
“Fon” is an abbrev and “fünf” is a num - they look or sound alike but fill different roles in a sentence.
- #43,878
- “Fon” frequency rank
- #442
- “fünf” frequency rank
- 44320
- confusion score
Side-by-Side Comparison
| Feature | Fon | fünf |
|---|---|---|
| Definition | Telefon | fünf, die Kardinalzahl zwischen vier und sechs |
Where the eye mixes Fon and fünf
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between Fon and fünf
These two trip readers on the page rather than in the ear: Fon is [foːn] while fünf is [fʏnf]. 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 (abbrev vs num), which is usually the fastest check. Our composite confusion score for this pair is 44320, derived from the frequency rank of both members and their visual similarity.
Fon is recorded at frequency rank #43,878, classified as anabbrev, pronounced [foːn]. fünf is at rank #442, tagged as anum, pronounced [fʏnf].
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 44320, this pair ranks #1,390,035 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Fon vs fünf
Shared letters: fn. Private to "Fon": o. Private to "fünf": ü.
"Fon" · 3 letters · shape CVC · "fünf" · 4 letters · shape CVCC
Frequently Asked Questions
Is swapping "Fon" for "fünf" ever safe?
Which is more common, "Fon" or "fünf"?
After this comparison
Eye-level mix-up between "Fon" and "fünf" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "Fon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fünf" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,390,035 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Fon" and "fünf" also get mixed up with nearby pairs, the highest-scored neighbour is "Fock vs Fon". Nearby pair
Confusion rank #1,390,035 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.