Which to use
“fly” and “foi” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #18,205
- “fly” frequency rank
- #1,478
- “foi” frequency rank
- 19683
- confusion score
Side-by-Side Comparison
| Feature | fly | foi |
|---|---|---|
| Definition | Braguette. | Croyance aux dogmes de la religion, en Dieu. |
Where the eye mixes fly and foi
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: fly vs foi
A purely visual mix-up. fly (\flaj\) and foi (\fwa\) 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 19683, derived from the frequency rank of both members and their visual similarity.
fly is recorded at frequency rank #18,205, classified as anoun, pronounced \flaj\. foi is at rank #1,478, tagged as anoun, pronounced \fwa\.
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 19683, this pair ranks #372,048 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of fly vs foi
Shared letters: f. Private to "fly": ly. Private to "foi": io.
"fly" · 3 letters · shape CCV · "foi" · 3 letters · shape CVV
Frequently Asked Questions
Do "fly" and "foi" mean the same thing in a sentence?
Which is more common, "fly" or "foi"?
What to do next
Eye-level mix-up between "fly" and "foi" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "fly" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "foi" - compare definitions side by side with the headword page. Word entry
- This pair ranks #372,048 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fly" and "foi" also get mixed up with nearby pairs, the highest-scored neighbour is "Fee vs fly". Nearby pair
Confusion rank #372,048 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.