filsvsfitWhich spelling fits?

Quick tell: fils is a noun, fit is an adjective, so they fill different roles in a sentence.

Which to use

“fils” is a noun and “fit” is an adjective - they look or sound alike but fill different roles in a sentence.

#49,670
“fils” frequency rank
#3,655
“fit” frequency rank
53325
confusion score

Side-by-Side Comparison

Feature fils fit
Definition männlicher Nachkomme: Sohn in guter gesundheitlicher, sportlicher, physischer, psychischer Verfassung; gut vorbereitet

Where the eye mixes fils and fit

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
fils
3 ch
fit

Visual trap between fils and fit

These two trip readers on the page rather than in the ear: fils is [fis] while fit is [fɪt]. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 53325, 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]. fit is at rank #3,655, tagged as anadj, pronounced [fɪt].

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 53325, this pair ranks #1,062,451 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fils vs fit

Shared letters: fi. Private to "fils": ls. Private to "fit": t.

"fils" · 4 letters · shape CVCC  ·  "fit" · 3 letters · shape CVC

Known mistypes of this pair

  • filsffils · fills · filss · fisl · flis · ifls

Frequently Asked Questions

Can "fils" and "fit" be used interchangeably?
No - they are not even the same part of speech. "fils" is a noun and "fit" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fils" vs "fit" - which ranks higher?
"fit" is the more common of the two: it sits at frequency rank #3,655 in our German list, against #49,670 for "fils". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Eye-level mix-up between "fils" and "fit" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "fils" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fit" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,062,451 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fils" and "fit" 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 #1,062,451 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list