AischvsArschTell them apart

Quick tell: Aisch is a name, Arsch is a noun, so they fill different roles in a sentence.

Which to use

“Aisch” is a name and “Arsch” is a noun - they look or sound alike but fill different roles in a sentence.

#47,925
“Aisch” frequency rank
#1,219
“Arsch” frequency rank
49144
confusion score

Side-by-Side Comparison

Feature Aisch Arsch
Definition ein Fluss in Deutschland, Nebenfluss der Regnitz für Hinterteil eines Tieres oder Menschen, Po, Gesäß

Where the eye mixes Aisch and Arsch

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. Aisch (VVCCC) and Arsch (VCCCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
Aisch
5 ch
Arsch

Visual trap between Aisch and Arsch

These two trip readers on the page rather than in the ear: Aisch is [aɪ̯ʃ] while Arsch is [aʁʃ]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - i in “Aisch” becomes r in “Arsch”, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 49144, derived from the frequency rank of both members and their visual similarity.

Aisch is recorded at frequency rank #47,925, classified as aname, pronounced [aɪ̯ʃ]. Arsch is at rank #1,219, tagged as anoun, pronounced [aʁʃ].

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 49144, this pair ranks #1,222,495 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Aisch vs Arsch

Shared letters: achs. Private to "Aisch": i. Private to "Arsch": r.

"Aisch" · 5 letters · shape VVCCC  ·  "Arsch" · 5 letters · shape VCCCC

Known mistypes of this pair

  • Aisch ← aicsh · aiscch · aischh · aishc · aissch · asich · iasch
  • Arsch ← arcsh · arrsch · arscch · arschh · arshc · arssch · asrch

Frequently Asked Questions

Is swapping "Aisch" for "Arsch" ever safe?
No - they are not even the same part of speech. "Aisch" is a name and "Arsch" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Aisch" vs "Arsch" - which ranks higher?
"Arsch" is the more common of the two: it sits at frequency rank #1,219 in our German list, against #47,925 for "Aisch". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

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 "Aisch" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Arsch" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,222,495 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Aisch" and "Arsch" also get mixed up with nearby pairs, the highest-scored neighbour is "Aisch vs Ärsche". 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 #1,222,495 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