folvsFSBWhich spelling fits?

Quick tell: fol is a verb, FSB is a noun, so they fill different roles in a sentence.

Which to use

“fol” is a verb and “FSB” is a noun - they look or sound alike but fill different roles in a sentence.

#34,656
“fol” frequency rank
#41,175
“FSB” frequency rank
75831
confusion score

Side-by-Side Comparison

Feature fol FSB
Definition 2. Person Singular Präsens Imperativ Nichtadmirativ Aktiv des Verbs flas ‚sprechen, reden‘ russischer Inlandsgeheimdienst und Geheimpolizei

Letter map: fol vs FSB

Shared letters muted; letters that set fol and FSB apart highlighted. Shared run: 1.

3 ch
fol
3 ch
FSB

Role in the sentence - fol and FSB

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fol is averb and FSBanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 75831, derived from the frequency rank of both members and their visual similarity.

fol is recorded at frequency rank #34,656, classified as averb, pronounced […]. FSB is at rank #41,175, tagged as anoun, pronounced [ɛfʔɛsˈbeː].

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 75831, this pair ranks #298,366 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of fol vs FSB

Shared letters: f. Private to "fol": lo. Private to "FSB": bs.

"fol" · 3 letters · shape CVC  ·  "FSB" · 3 letters · shape CCC

Frequently Asked Questions

Can "fol" and "FSB" be used interchangeably?
No - they are not even the same part of speech. "fol" is a verb and "FSB" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fol" or "FSB"?
"fol" is the more common of the two: it sits at frequency rank #34,656 in our German list, against #41,175 for "FSB". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "fol" and "FSB".

  • Full dictionary entry for "fol" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "FSB" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #298,366 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "fol" and "FSB" also get mixed up with nearby pairs, the highest-scored neighbour is "fist vs FSB". Nearby pair

Confusion rank #298,366 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