achtvsADHSWhich spelling fits?

Quick tell: acht is a num, ADHS is an abbrev, so they fill different roles in a sentence.

Which to use

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

#899
“acht” frequency rank
#20,817
“ADHS” frequency rank
21716
confusion score

Side-by-Side Comparison

Feature acht ADHS
Definition die Kardinalzahl zwischen sieben und neun Aufmerksamkeitsdefizit-Hyperaktivitätsstörung, Aufmerksamkeitsdefizit-Hyperaktivitätssyndrom

Where the eye mixes acht and ADHS

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. acht and ADHS follow the identical consonant-vowel pattern (VCCC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
acht
4 ch
ADHS

Look-alike desk: acht vs ADHS

These two trip readers on the page rather than in the ear: acht is [axt] while ADHS is [aːdeːhaːˈʔɛs]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (num vs abbrev), which is usually the fastest check. Our composite confusion score for this pair is 21716, derived from the frequency rank of both members and their visual similarity.

acht is recorded at frequency rank #899, classified as anum, pronounced [axt]. ADHS is at rank #20,817, tagged as anabbrev, pronounced [aːdeːhaːˈʔɛs].

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 21716, this pair ranks #1,882,988 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of acht vs ADHS

Shared letters: ah. Private to "acht": ct. Private to "ADHS": ds.

"acht" · 4 letters · shape VCCC  ·  "ADHS" · 4 letters · shape VCCC

Known mistypes of this pair

  • acht ← accht · achht · achtt · acth · ahct · caht
  • ADHS ← addhs · adhhs · adhss · adsh · ahds · dahs

Frequently Asked Questions

Is swapping "acht" for "ADHS" ever safe?
No - they are not even the same part of speech. "acht" is a num and "ADHS" an abbrev, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "acht" or "ADHS"?
"acht" is the more common of the two: it sits at frequency rank #899 in our German list, against #20,817 for "ADHS". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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 "ADHS" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,882,988 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "acht" and "ADHS" also get mixed up with nearby pairs, the highest-scored neighbour is "ADHS vs avis". 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 #1,882,988 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