fitvsfunWhich spelling fits?

Which to use

“fit” and “fun” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,655
“fit” frequency rank
#6,924
“fun” frequency rank
10579
confusion score

Side-by-Side Comparison

Feature fit fun
Definition in guter gesundheitlicher, sportlicher, physischer, psychischer Verfassung; gut vorbereitet spaßig, lustig

Where the eye mixes fit and fun

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
fit
3 ch
fun

Why the eye confuses fit with fun

A purely visual mix-up. fit ([fɪt]) and fun ([fʌn]) 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 10579, derived from the frequency rank of both members and their visual similarity.

fit is recorded at frequency rank #3,655, classified as anadj, pronounced [fɪt]. fun is at rank #6,924, tagged as anadj, pronounced [fʌn].

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 10579, this pair ranks #1,974,453 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of fit vs fun

Shared letters: f. Private to "fit": it. Private to "fun": nu.

"fit" · 3 letters · shape CVC  ·  "fun" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "fit" for "fun" ever safe?
No. They are said differently ([fɪt] versus [fʌn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "fit" or "fun"?
"fit" is the more common of the two: it sits at frequency rank #3,655 in our German list, against #6,924 for "fun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "fit" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fun" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,974,453 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fit" and "fun" also get mixed up with nearby pairs, the highest-scored neighbour is "fun vs funzt". Nearby pair

Confusion rank #1,974,453 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