ProfessorinvsProfessorsWhich spelling fits?

Which to use

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

#19,350
“Professorin” frequency rank
#25,714
“Professors” frequency rank
45064
confusion score

Side-by-Side Comparison

Feature Professorin Professors
Definition Lehrerinnen und Forscherinnen an einer Universität oder Fachhochschule; Professorinnen können auch in leitenden Funktionen in Behörden mit Forschungseinrichtung oder außeruniversitären Forschungsorganisationen arbeiten. Genitiv Singular des Substantivs Professor

Where the eye mixes Professorin and Professors

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence.

11 ch
Professorin
10 ch
Professors

Why the eye confuses Professorin with Professors

A purely visual mix-up. Professorin ([pʁofɛˈsoːʁɪn]) and Professors ([pʁoˈfɛsoːɐ̯s]) 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 letter(s) in length. Our composite confusion score for this pair is 45064, derived from the frequency rank of both members and their visual similarity.

Professorin is recorded at frequency rank #19,350, classified as anoun, pronounced [pʁofɛˈsoːʁɪn]. Professors is at rank #25,714, tagged as anoun, pronounced [pʁoˈfɛsoːɐ̯s].

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 45064, this pair ranks #1,365,710 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Professorin vs Professors

Shared letters: efoprs. Private to "Professorin": in. Private to "Professors": -.

"Professorin" · 11 letters · shape CCVCVCCVCVC  ·  "Professors" · 10 letters · shape CCVCVCCVCC

Known mistypes of this pair

  • Professorinporfessorin · pprofessorin · prfoessorin · proefssorin · profesorin · profesosrin · professoirn · professorinn
  • Professorsporfessors · pprofessors · prfoessors · proefssors · profesors · profesosrs · professorrs · professorss

Frequently Asked Questions

Is swapping "Professorin" for "Professors" ever safe?
No. They are said differently ([pʁofɛˈsoːʁɪn] versus [pʁoˈfɛsoːɐ̯s]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary German text, does "Professorin" or "Professors" show up more?
"Professorin" is the more common of the two: it sits at frequency rank #19,350 in our German list, against #25,714 for "Professors". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "Professorin" and "Professors" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Professorin" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Professors" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,365,710 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Professorin" and "Professors" also get mixed up with nearby pairs, the highest-scored neighbour is "Professors vs Professur". 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 #1,365,710 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