PräfixvsProfisWhich spelling fits?

Which to use

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

#42,064
“Präfix” frequency rank
#5,017
“Profis” frequency rank
47081
confusion score

Side-by-Side Comparison

Feature Präfix Profis
Definition Affix, also ein grammatisches Morphem, das vor dem Wortstamm steht Nominativ Plural des Substantivs Profi

Where the eye mixes Präfix and Profis

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
Präfix
6 ch
Profis

Why the eye confuses Präfix with Profis

A purely visual mix-up. Präfix ([ˈpʁɛːfɪks]) and Profis ([ˈpʁoːfis]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 47081, derived from the frequency rank of both members and their visual similarity.

Präfix is recorded at frequency rank #42,064, classified as anoun, pronounced [ˈpʁɛːfɪks]. Profis is at rank #5,017, tagged as anoun, pronounced [ˈpʁoːfis].

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 47081, this pair ranks #1,296,860 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Präfix vs Profis

Shared letters: fipr. Private to "Präfix": . Private to "Profis": os.

"Präfix" · 6 letters · shape CCVCVC  ·  "Profis" · 6 letters · shape CCVCVC

Known mistypes of this pair

  • Profisporfis · pprofis · prfois · proffis · profiss · profsi · proifs · prrofis

Frequently Asked Questions

Is swapping "Präfix" for "Profis" ever safe?
No. They are said differently ([ˈpʁɛːfɪks] versus [ˈpʁoːfis]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "Präfix" or "Profis"?
"Profis" is the more common of the two: it sits at frequency rank #5,017 in our German list, against #42,064 for "Präfix". 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 "Präfix" and "Profis" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "Präfix" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Profis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,296,860 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Präfix" and "Profis" also get mixed up with nearby pairs, the highest-scored neighbour is "Präfix vs Prärie". 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 #1,296,860 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