finkvsFISWhich spelling fits?

Which to use

“fink” and “FIS” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#26,424
“fink” frequency rank
#40,245
“FIS” frequency rank
66669
confusion score

Side-by-Side Comparison

Feature fink FIS
Definition A contemptible person. Initialism of flight information service.

Letter map: fink vs FIS

Shared letters muted; letters that set fink and FIS apart highlighted. Shared run: 2. fink runs 4 letters (CVCC) against FIS's 3 (CVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
fink
3 ch
FIS

Corpus notes: fink and FIS

fink and FIS are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 66669, derived from the frequency rank of both members and their visual similarity.

fink is recorded at frequency rank #26,424, classified as anoun, pronounced /fɪŋk/. FIS is at rank #40,245, tagged as anoun.

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 66669, this pair ranks #66,931 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of fink vs FIS

Shared letters: fi. Private to "fink": kn. Private to "FIS": s.

"fink" · 4 letters · shape CVCC  ·  "FIS" · 3 letters · shape CVC

Known mistypes of this pair

  • fink ← ffink · fikn · finkk · finnk · fnik · ifnk

Frequently Asked Questions

Can "fink" and "FIS" be used interchangeably?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "fink" vs "FIS" - which ranks higher?
"fink" is the more common of the two: it sits at frequency rank #26,424 in our English list, against #40,245 for "FIS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "fink" and "FIS". Here's where to go from here.

  • Full dictionary entry for "fink" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "FIS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #66,931 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "fink" and "FIS" also get mixed up with nearby pairs, the highest-scored neighbour is "FIS vs foh". 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 #66,931 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list