achvsARBWhich spelling fits?

Quick tell: ach is a intj, ARB is an abbrev, so they fill different roles in a sentence.

Which to use

“ach” is an intj and “ARB” is an abbrev - they look or sound alike but fill different roles in a sentence.

#612
“ach” frequency rank
#43,710
“ARB” frequency rank
44322
confusion score

Side-by-Side Comparison

Feature ach ARB
Definition (kurz, ansteigend) drückt Verwunderung aus Allgemeine Rechtsschutzbedingungen

Letter map: ach vs ARB

Shared letters muted; letters that set ach and ARB apart highlighted. Shared run: 1.

3 ch
ach
3 ch
ARB

Part-of-speech tell for ach / ARB

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ach is anintj and ARBanabbrev. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 44322, derived from the frequency rank of both members and their visual similarity.

ach is recorded at frequency rank #612, classified as anintj, pronounced [ax]. ARB is at rank #43,710, tagged as anabbrev, pronounced […].

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 44322, this pair ranks #1,389,980 of 2,006,359 scored German confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ach vs ARB

Shared letters: a. Private to "ach": ch. Private to "ARB": br.

"ach" · 3 letters · shape VCC  ·  "ARB" · 3 letters · shape VCC

Frequently Asked Questions

Can "ach" and "ARB" be used interchangeably?
No - they are not even the same part of speech. "ach" is an intj and "ARB" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "ach" or "ARB"?
"ach" is the more common of the two: it sits at frequency rank #612 in our German list, against #43,710 for "ARB". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "ach" vs "ARB" is on the table, pick a follow-up below.

  • Full dictionary entry for "ach" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ARB" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,389,980 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "ach" and "ARB" also get mixed up with nearby pairs, the highest-scored neighbour is "ARB vs puzzles". Nearby pair

Confusion rank #1,389,980 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