BasevsBfSWhich spelling fits?

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

Which to use

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

#9,509
“Base” frequency rank
#48,780
“BfS” frequency rank
58289
confusion score

Side-by-Side Comparison

Feature Base BfS
Definition eine alkalisch reagierende chemische Verbindung, deren pH-Wert über 7 liegt; nimmt leicht Protonen (H⁺) auf Bundesamt für Strahlenschutz

Letter map: Base vs BfS

Shared letters muted; letters that set Base and BfS apart highlighted. Shared run: 2.

4 ch
Base
3 ch
BfS

Role in the sentence - Base and BfS

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Base is anoun and BfSanabbrev. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 58289, derived from the frequency rank of both members and their visual similarity.

Base is recorded at frequency rank #9,509, classified as anoun, pronounced [ˈbaːzə]. BfS is at rank #48,780, tagged as anabbrev, pronounced […].

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 58289, this pair ranks #868,560 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Base vs BfS

Shared letters: bs. Private to "Base": ae. Private to "BfS": f.

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

Known mistypes of this pair

  • Baseabse · baes · basse · bbase · bsae

Frequently Asked Questions

Do "Base" and "BfS" mean the same thing in a sentence?
No - they are not even the same part of speech. "Base" is a noun and "BfS" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Base" or "BfS" show up more?
"Base" is the more common of the two: it sits at frequency rank #9,509 in our German list, against #48,780 for "BfS". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "Base" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "BfS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #868,560 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Base" and "BfS" also get mixed up with nearby pairs, the highest-scored neighbour is "BfS vs puzzles". 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 #868,560 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