achtvsAchterWhat's the difference?

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 spellings diverge

Shared letters are muted; the letters that actually set acht and Achter apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

4 ch
acht
6 ch
Achter

Spelling & Dictionary Insight

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

  • achtaccht · achht · achtt · acth · ahct · caht
  • Achteracchter · achetr · achhter · achterr · achtre · achtter · acther · ahcter

Frequency comparison

acht#899
Achter#18,146

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "acht" and "Achter" be used interchangeably?
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.
Which is more common, "acht" or "Achter"?
"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.

Remembering acht vs Achter

The fastest way to pick the right one every time.

  • Check the role first: if you need a num, it's “acht”; for a noun, it's “Achter”.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “acht” entry
  • Browse more pairs most likely to be confused. Most confusable

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list