AffärenvsauffahrenWhat's the difference?

Quick tell: Affären is a noun, auffahren is a verb, so they fill different roles in a sentence.

Which to use

“Affären” is a noun and “auffahren” is a verb - they look or sound alike but fill different roles in a sentence.

#24,228
“Affären” frequency rank
#37,969
“auffahren” frequency rank
62197
confusion score

Side-by-Side Comparison

Feature Affären auffahren
Definition Nominativ Plural des Substantivs Affäre beim Fahren gegen die Rückseite des vorausfahrenden Fahrzeugs oder gegen ein Hindernis prallen; auf Grund laufen

Where the eye mixes Affären and auffahren

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. Affären runs 7 letters (VCCVCVC) against auffahren's 9 (VVCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
Affären
9 ch
auffahren

Look-alike desk: Affären vs auffahren

These two trip readers on the page rather than in the ear: Affären is [aˈfɛːʁən] while auffahren is [ˈaʊ̯fˌfaːʁən]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 62197, derived from the frequency rank of both members and their visual similarity.

Affären is recorded at frequency rank #24,228, classified as anoun, pronounced [aˈfɛːʁən]. auffahren is at rank #37,969, tagged as averb, pronounced [ˈaʊ̯fˌfaːʁən].

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 62197, this pair ranks #721,696 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Affären vs auffahren

Shared letters: aefnr. Private to "Affären": ä. Private to "auffahren": hu.

"Affären" · 7 letters · shape VCCVCVC  ·  "auffahren" · 9 letters · shape VVCCVCCVC

Known mistypes of this pair

  • auffahren ← afufahren · aufafhren · aufahren · auffahern · auffahhren · auffahrenn · auffahrne · auffahrren

Frequently Asked Questions

Can "Affären" and "auffahren" be used interchangeably?
No - they are not even the same part of speech. "Affären" is a noun and "auffahren" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "Affären" or "auffahren" show up more?
"Affären" is the more common of the two: it sits at frequency rank #24,228 in our German list, against #37,969 for "auffahren". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "Affären" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "auffahren" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #721,696 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Affären" and "auffahren" also get mixed up with nearby pairs, the highest-scored neighbour is "auffahren vs Ausfahrten". 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 #721,696 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