biologischevsbiologischerConfusable pair

Which to use

“biologische” and “biologischer” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#9,339
“biologische” frequency rank
#25,925
“biologischer” frequency rank
35264
confusion score

Side-by-Side Comparison

Feature biologische biologischer
Definition Nominativ Singular Femininum der starken Deklination des Positivs des Adjektivs biologisch Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs biologisch

Where the eye mixes biologische and biologischer

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. biologische runs 11 letters (CVVCVCVCCCV) against biologischer's 12 (CVVCVCVCCCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
biologische
12 ch
biologischer

Visual trap between biologische and biologischer

A purely visual mix-up. biologische ([bioˈloːɡɪʃə]) and biologischer ([bioˈloːɡɪʃɐ]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “biologische” sits inside “biologischer”. Our composite confusion score for this pair is 35264, derived from the frequency rank of both members and their visual similarity.

biologische is recorded at frequency rank #9,339, classified as anadj, pronounced [bioˈloːɡɪʃə]. biologischer is at rank #25,925, tagged as anadj, pronounced [bioˈloːɡɪʃɐ].

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 35264, this pair ranks #1,644,052 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of biologische vs biologischer

Shared letters: bceghilos. Private to "biologische": -. Private to "biologischer": r.

"biologische" · 11 letters · shape CVVCVCVCCCV  ·  "biologischer" · 12 letters · shape CVVCVCVCCCVC

Known mistypes of this pair

  • biologische ← bbiologische · biloogische · biolgoische · biollogische · biologgische · biologicshe · biologiscche · biologisceh
  • biologischer ← bbiologischer · biloogischer · biolgoischer · biollogischer · biologgischer · biologicsher · biologisccher · biologiscehr

Frequently Asked Questions

Is swapping "biologische" for "biologischer" ever safe?
No. They are said differently ([bioˈloːɡɪʃə] versus [bioˈloːɡɪʃɐ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "biologische" vs "biologischer" - which ranks higher?
"biologische" is the more common of the two: it sits at frequency rank #9,339 in our German list, against #25,925 for "biologischer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "biologische" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "biologischer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,644,052 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "biologische" and "biologischer" also get mixed up with nearby pairs, the highest-scored neighbour is "biologischer vs biologisches". 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 #1,644,052 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