actavsathWhat's the difference?

Quick tell: acta is a verb, ath is an article, so they fill different roles in a sentence.

Which to use

“acta” is a verb and “ath” is an article - they look or sound alike but fill different roles in a sentence.

#27,310
“acta” frequency rank
#31,830
“ath” frequency rank
59140
confusion score

Side-by-Side Comparison

Feature acta ath
Definition Troisième personne du singulier du passé simple du verbe acter. Contraction de la préposition a et de l'article défini eth.

Where the eye mixes acta and ath

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

4 ch
acta
3 ch
ath

Visual trap between acta and ath

These two trip readers on the page rather than in the ear: acta is \ak.ta\ while ath is \at\. 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 (verb vs article), which is usually the fastest check. Our composite confusion score for this pair is 59140, derived from the frequency rank of both members and their visual similarity.

acta is recorded at frequency rank #27,310, classified as averb, pronounced \ak.ta\. ath is at rank #31,830, tagged as anarticle, pronounced \at\.

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 59140, this pair ranks #104,840 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of acta vs ath

Shared letters: at. Private to "acta": c. Private to "ath": h.

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

Known mistypes of this pair

  • actaacat · accta · actta · atca

Frequently Asked Questions

Is swapping "acta" for "ath" ever safe?
No - they are not even the same part of speech. "acta" is a verb and "ath" an article, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "acta" or "ath"?
"acta" is the more common of the two: it sits at frequency rank #27,310 in our French list, against #31,830 for "ath". 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 "ath" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #104,840 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "acta" and "ath" also get mixed up with nearby pairs, the highest-scored neighbour is "ath vs aur". 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 #104,840 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list