FISAvsfriskWhich spelling fits?

Quick tell: FISA is a name, frisk is an adjective, so they fill different roles in a sentence.

Which to use

“FISA” is a name and “frisk” is an adjective - they look or sound alike but fill different roles in a sentence.

#32,399
“FISA” frequency rank
#31,998
“frisk” frequency rank
64397
confusion score

Side-by-Side Comparison

Feature FISA frisk
Definition Acronym of Foreign Intelligence Surveillance Act. Lively; brisk.

Letter map: FISA vs frisk

Shared letters muted; letters that set FISA and frisk apart highlighted. Shared run: 3. FISA runs 4 letters (CVCV) against frisk's 5 (CCVCC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
FISA
5 ch
frisk

Part-of-speech tell for FISA / frisk

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: FISA is aname and friskanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 64397, derived from the frequency rank of both members and their visual similarity.

FISA is recorded at frequency rank #32,399, classified as aname. frisk is at rank #31,998, tagged as anadj, pronounced /fɹɪsk/.

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 64397, this pair ranks #77,937 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of FISA vs frisk

Shared letters: fis. Private to "FISA": a. Private to "frisk": kr.

"FISA" · 4 letters · shape CVCV  ·  "frisk" · 5 letters · shape CCVCC

Known mistypes of this pair

  • FISA ← ffisa · fias · fissa · fsia · ifsa
  • frisk ← ffrisk · firsk · friks · friskk · frissk · frrisk · frsik · rfisk

Frequently Asked Questions

Is swapping "FISA" for "frisk" ever safe?
No - they are not even the same part of speech. "FISA" is a name and "frisk" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "FISA" or "frisk" show up more?
"frisk" is the more common of the two: it sits at frequency rank #31,998 in our English list, against #32,399 for "FISA". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "FISA" and "frisk". Here's where to go from here.

  • Full dictionary entry for "FISA" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "frisk" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #77,937 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "FISA" and "frisk" also get mixed up with nearby pairs, the highest-scored neighbour is "FISA vs fossa". 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 #77,937 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