Which to use
“fon” and “frog” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #27,443
- “fon” frequency rank
- #42,890
- “frog” frequency rank
- 70333
- confusion score
Side-by-Side Comparison
| Feature | fon | frog |
|---|---|---|
| Definition | Langue parlée au Bénin et au Nigéria. | Surnom dont des Canadiens non francophones affublent les Québécois francophones. |
Where the eye mixes fon and frog
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between fon and frog
A purely visual mix-up. fon (\fɔ̃\) and frog (\fɹɒɡ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 70333, derived from the frequency rank of both members and their visual similarity.
fon is recorded at frequency rank #27,443, classified as anoun, pronounced \fɔ̃\. frog is at rank #42,890, tagged as anoun, pronounced \fɹɒɡ\.
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 70333, this pair ranks #51,705 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of fon vs frog
Shared letters: fo. Private to "fon": n. Private to "frog": gr.
"fon" · 3 letters · shape CVC · "frog" · 4 letters · shape CCVC
Known mistypes of this pair
- frog ← ffrog · forg · frgo · frogg · frrog · rfog
Frequently Asked Questions
Is swapping "fon" for "frog" ever safe?
In ordinary French text, does "fon" or "frog" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "fon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "frog" - compare definitions side by side with the headword page. Word entry
- This pair ranks #51,705 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fon" and "frog" also get mixed up with nearby pairs, the highest-scored neighbour is "fog vs frog". 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 #51,705 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.