acervsachtWhat's the difference?

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

Which to use

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

#28,046
“acer” frequency rank
#899
“acht” frequency rank
28945
confusion score

Side-by-Side Comparison

Feature acer acht
Definition Stahl die Kardinalzahl zwischen sieben und neun

Letter map: acer vs acht

Shared letters muted; letters that set acer and acht apart highlighted. Shared run: 2. acer (VCVC) and acht (VCCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
acer
4 ch
acht

Grammar separator: acer vs acht

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: acer is anoun and achtanum. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 28945, derived from the frequency rank of both members and their visual similarity.

acer is recorded at frequency rank #28,046, classified as anoun, pronounced […]. acht is at rank #899, tagged as anum, pronounced [axt].

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 28945, this pair ranks #1,775,764 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of acer vs acht

Shared letters: ac. Private to "acer": er. Private to "acht": ht.

"acer" · 4 letters · shape VCVC  ·  "acht" · 4 letters · shape VCCC

Known mistypes of this pair

  • acer ← accer · acerr · aecr
  • acht ← accht · achht · achtt · acth · ahct · caht

Frequently Asked Questions

Can "acer" and "acht" be used interchangeably?
No - they are not even the same part of speech. "acer" is a noun and "acht" a num, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "acer" or "acht" show up more?
"acht" is the more common of the two: it sits at frequency rank #899 in our German list, against #28,046 for "acer". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Done with this confusable. These links stay specific to "acer" and "acht".

  • Full dictionary entry for "acer" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acht" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,775,764 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "acer" and "acht" also get mixed up with nearby pairs, the highest-scored neighbour is "acer vs puzzles". 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 #1,775,764 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