bielvsBioWhich spelling fits?

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

Which to use

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

#23,446
“biel” frequency rank
#3,361
“Bio” frequency rank
26807
confusion score

Side-by-Side Comparison

Feature biel Bio
Definition Weiß gesetzlich geschützter Begriff für Produkte aus biologischer Landwirtschaft

Where the eye mixes biel and Bio

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
biel
3 ch
Bio

Look-alike desk: biel vs Bio

These two trip readers on the page rather than in the ear: biel is [bʲɛl] while Bio is [ˈbiːo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 26807, derived from the frequency rank of both members and their visual similarity.

biel is recorded at frequency rank #23,446, classified as anoun, pronounced [bʲɛl]. Bio is at rank #3,361, tagged as anabbrev, pronounced [ˈbiːo].

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 26807, this pair ranks #1,812,058 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of biel vs Bio

Shared letters: bi. Private to "biel": el. Private to "Bio": o.

"biel" · 4 letters · shape CVVC  ·  "Bio" · 3 letters · shape CVV

Known mistypes of this pair

  • bielbeil · biell · bile · ibel

Frequently Asked Questions

Can "biel" and "Bio" be used interchangeably?
No - they are not even the same part of speech. "biel" is a noun and "Bio" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "biel" or "Bio" show up more?
"Bio" is the more common of the two: it sits at frequency rank #3,361 in our German list, against #23,446 for "biel". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "biel" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Bio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,812,058 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "biel" and "Bio" also get mixed up with nearby pairs, the highest-scored neighbour is "biel vs Bims". 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 #1,812,058 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