BfSvsböseTell them apart

Quick tell: BfS is a abbrev, böse is an adjective, so they fill different roles in a sentence.

Which to use

“BfS” is an abbrev and “böse” is an adjective - they look or sound alike but fill different roles in a sentence.

#48,780
“BfS” frequency rank
#1,543
“böse” frequency rank
50323
confusion score

Side-by-Side Comparison

Feature BfS böse
Definition Bundesamt für Strahlenschutz moralisch falsch, nicht gut; bösartig

Letter map: BfS vs böse

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

3 ch
BfS
4 ch
böse

Part-of-speech tell for BfS / böse

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: BfS is anabbrev and böseanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 50323, derived from the frequency rank of both members and their visual similarity.

BfS is recorded at frequency rank #48,780, classified as anabbrev, pronounced […]. böse is at rank #1,543, tagged as anadj, pronounced [ˈbøːzə].

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 50323, this pair ranks #1,178,053 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of BfS vs böse

Shared letters: bs. Private to "BfS": f. Private to "böse": eö.

"BfS" · 3 letters · shape CCC  ·  "böse" · 4 letters · shape CVCV

Frequently Asked Questions

Is swapping "BfS" for "böse" ever safe?
No - they are not even the same part of speech. "BfS" is an abbrev and "böse" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "BfS" or "böse" show up more?
"böse" is the more common of the two: it sits at frequency rank #1,543 in our German list, against #48,780 for "BfS". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pair "BfS" vs "böse" is on the table, pick a follow-up below.

  • Full dictionary entry for "BfS" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "böse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,178,053 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "BfS" and "böse" also get mixed up with nearby pairs, the highest-scored neighbour is "BfS vs puzzles". Nearby pair

Confusion rank #1,178,053 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