Which to use
“fils” and “fly” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #49,670
- “fils” frequency rank
- #16,704
- “fly” frequency rank
- 66374
- confusion score
Side-by-Side Comparison
| Feature | fils | fly |
|---|---|---|
| Definition | männlicher Nachkomme: Sohn | Fliege |
Where the eye mixes fils and fly
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between fils and fly
A purely visual mix-up. fils ([fis]) and fly ([flaɪ]) 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 66374, derived from the frequency rank of both members and their visual similarity.
fils is recorded at frequency rank #49,670, classified as anoun, pronounced [fis]. fly is at rank #16,704, tagged as anoun, pronounced [flaɪ].
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 66374, this pair ranks #575,521 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fils vs fly
Shared letters: fl. Private to "fils": is. Private to "fly": y.
"fils" · 4 letters · shape CVCC · "fly" · 3 letters · shape CCV
Known mistypes of this pair
- fils ← ffils · fills · filss · fisl · flis · ifls
Frequently Asked Questions
Do "fils" and "fly" mean the same thing in a sentence?
Which is more common, "fils" or "fly"?
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 "fils" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fly" - compare definitions side by side with the headword page. Word entry
- This pair ranks #575,521 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "fils" and "fly" also get mixed up with nearby pairs, the highest-scored neighbour is "fils vs fist". 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 #575,521 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.