actavsahaConfusable pair

Quick tell: acta is a noun, aha is an intj, so they fill different roles in a sentence.

Which to use

“acta” is a noun and “aha” is an intj - they look or sound alike but fill different roles in a sentence.

#20,153
“acta” frequency rank
#4,760
“aha” frequency rank
24913
confusion score

Side-by-Side Comparison

Feature acta aha
Definition die Urkunde Ausruf des Verstehens

Where the eye mixes acta and aha

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
acta
3 ch
aha

Visual trap between acta and aha

These two trip readers on the page rather than in the ear: acta is [ˈakta] while aha is [aˈha]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 24913, derived from the frequency rank of both members and their visual similarity.

acta is recorded at frequency rank #20,153, classified as anoun, pronounced [ˈakta]. aha is at rank #4,760, tagged as anintj, pronounced [aˈha].

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 24913, this pair ranks #1,840,799 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of acta vs aha

Shared letters: a. Private to "acta": ct. Private to "aha": h.

"acta" · 4 letters · shape VCCV  ·  "aha" · 3 letters · shape VCV

Known mistypes of this pair

  • actaacat · accta · actta · atca · cata

Frequently Asked Questions

Do "acta" and "aha" mean the same thing in a sentence?
No - they are not even the same part of speech. "acta" is a noun and "aha" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "acta" or "aha" show up more?
"aha" is the more common of the two: it sits at frequency rank #4,760 in our German list, against #20,153 for "acta". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "acta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aha" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,840,799 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "acta" and "aha" also get mixed up with nearby pairs, the highest-scored neighbour is "acta vs arma". 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 #1,840,799 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