biologischervsbiologischesTell them apart

Which to use

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

#25,925
“biologischer” frequency rank
#47,270
“biologisches” frequency rank
73195
confusion score

Side-by-Side Comparison

Feature biologischer biologisches
Definition Nominativ Singular Maskulinum der starken Deklination des Positivs des Adjektivs biologisch Nominativ Singular Neutrum Positiv der starken Flexion des Adjektivs biologisch

Where the eye mixes biologischer and biologisches

Muted = shared; highlighted = the visual trap. They share 11 letters in sequence. biologischer and biologisches follow the identical consonant-vowel pattern (CVVCVCVCCCVC). Same shape at a glance is often the real trap, independent of shared letters.

12 ch
biologischer
12 ch
biologisches

Look-alike desk: biologischer vs biologisches

A purely visual mix-up. biologischer ([bioˈloːɡɪʃɐ]) and biologisches ([bioˈloːɡɪʃəs]) 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 a single letter - r in “biologischer” becomes s in “biologisches”. Our composite confusion score for this pair is 73195, derived from the frequency rank of both members and their visual similarity.

biologischer is recorded at frequency rank #25,925, classified as anadj, pronounced [bioˈloːɡɪʃɐ]. biologisches is at rank #47,270, tagged as anadj, pronounced [bioˈloːɡɪʃəs].

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 73195, this pair ranks #367,097 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of biologischer vs biologisches

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

"biologischer" · 12 letters · shape CVVCVCVCCCVC  ·  "biologisches" · 12 letters · shape CVVCVCVCCCVC

Known mistypes of this pair

  • biologischer ← bbiologischer · biloogischer · biolgoischer · biollogischer · biologgischer · biologicsher · biologisccher · biologiscehr
  • biologisches ← bbiologisches · biloogisches · biolgoisches · biollogisches · biologgisches · biologicshes · biologiscches · biologiscehs

Frequently Asked Questions

Is swapping "biologischer" for "biologisches" ever safe?
No. They are said differently ([bioˈloːɡɪʃɐ] versus [bioˈloːɡɪʃəs]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "biologischer" or "biologisches"?
"biologischer" is the more common of the two: it sits at frequency rank #25,925 in our German list, against #47,270 for "biologisches". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "biologischer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "biologisches" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #367,097 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "biologischer" and "biologisches" also get mixed up with nearby pairs, the highest-scored neighbour is "biologisch 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 #367,097 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