Which to use
“fils” is a noun and “fl” is an abbrev - they look or sound alike but fill different roles in a sentence.
- #49,670
- “fils” frequency rank
- #13,360
- “fl” frequency rank
- 63030
- confusion score
Side-by-Side Comparison
| Feature | fils | fl |
|---|---|---|
| Definition | männlicher Nachkomme: Sohn | Femtoliter (= 10⁻¹⁵ l, ein billiardstel Liter) |
Letter map: fils vs fl
Shared letters muted; letters that set fils and fl apart highlighted. Shared run: 2.
Part-of-speech tell for fils / fl
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fils is anoun and flanabbrev. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 63030, 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]. fl is at rank #13,360, tagged as anabbrev.
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 63030, this pair ranks #691,320 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fils vs fl
Shared letters: fl. Private to "fils": is. Private to "fl": -.
"fils" · 4 letters · shape CVCC · "fl" · 2 letters · shape CC
Known mistypes of this pair
- fils ← ffils · fills · filss · fisl · flis · ifls
Frequently Asked Questions
Is swapping "fils" for "fl" ever safe?
Which is more common, "fils" or "fl"?
After this comparison
Pair "fils" vs "fl" is on the table, pick a follow-up below.
- Full dictionary entry for "fils" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fl" - compare definitions side by side with the headword page. Word entry
- This pair ranks #691,320 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "fils" and "fl" 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 #691,320 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.