actavsATPTell them apart

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

Which to use

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

#20,153
“acta” frequency rank
#17,809
“ATP” frequency rank
37962
confusion score

Side-by-Side Comparison

Feature acta ATP
Definition die Urkunde Abkürzung für Adenosintriphosphat

Where the eye mixes acta and ATP

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

4 ch
acta
3 ch
ATP

Look-alike desk: acta vs ATP

These two trip readers on the page rather than in the ear: acta is [ˈakta] while ATP is [aːteːˈpeː]. 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 abbrev), which is usually the fastest check. Our composite confusion score for this pair is 37962, 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]. ATP is at rank #17,809, tagged as anabbrev, pronounced [aːteːˈpeː].

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 37962, this pair ranks #1,576,500 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of acta vs ATP

Shared letters: at. Private to "acta": c. Private to "ATP": p.

"acta" · 4 letters · shape VCCV  ·  "ATP" · 3 letters · shape VCC

Known mistypes of this pair

  • actaacat · accta · actta · atca · cata

Frequently Asked Questions

Do "acta" and "ATP" mean the same thing in a sentence?
No - they are not even the same part of speech. "acta" is a noun and "ATP" an abbrev, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "acta" or "ATP" show up more?
"ATP" is the more common of the two: it sits at frequency rank #17,809 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.

Useful next steps

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 "ATP" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,576,500 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "acta" and "ATP" 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 #1,576,500 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