achtvsAchterConfusable pair

Quick tell: acht is a num, Achter is a noun, so they fill different roles in a sentence.

Which to use

“acht” is a num and “Achter” is a noun - they look or sound alike but fill different roles in a sentence.

#899
“acht” frequency rank
#18,146
“Achter” frequency rank
19045
confusion score

Side-by-Side Comparison

Feature acht Achter
Definition die Kardinalzahl zwischen sieben und neun die Ziffer 8 oder etwas, das die Ziffer 8 trägt (zum Beispiel ein Sportler mit der Trikotnummer 8)

Where the eye mixes acht and Achter

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. acht runs 4 letters (VCCC) against Achter's 6 (VCCCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
acht
6 ch
Achter

Look-alike desk: acht vs Achter

These two trip readers on the page rather than in the ear: acht is [axt] while Achter is [ˈaxtɐ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “acht” sits inside “Achter”, and the parts of speech differ too (num vs noun), which is usually the fastest check. Our composite confusion score for this pair is 19045, derived from the frequency rank of both members and their visual similarity.

acht is recorded at frequency rank #899, classified as anum, pronounced [axt]. Achter is at rank #18,146, tagged as anoun, pronounced [ˈaxtɐ].

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 19045, this pair ranks #1,912,372 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of acht vs Achter

Shared letters: acht. Private to "acht": -. Private to "Achter": er.

"acht" · 4 letters · shape VCCC  ·  "Achter" · 6 letters · shape VCCCVC

Known mistypes of this pair

  • acht ← accht · achht · achtt · acth · ahct · caht
  • Achter ← acchter · achetr · achhter · achterr · achtre · achtter · acther · ahcter

Frequently Asked Questions

Do "acht" and "Achter" mean the same thing in a sentence?
No - they are not even the same part of speech. "acht" is a num and "Achter" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "acht" vs "Achter" - which ranks higher?
"acht" is the more common of the two: it sits at frequency rank #899 in our German list, against #18,146 for "Achter". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "acht" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Achter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,912,372 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "acht" and "Achter" also get mixed up with nearby pairs, the highest-scored neighbour is "Achter vs Auster". 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 #1,912,372 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