actesvsarchesWhich spelling fits?

Which to use

“actes” and “arches” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#1,552
“actes” frequency rank
#28,054
“arches” frequency rank
29606
confusion score

Side-by-Side Comparison

Feature actes arches
Definition Pluriel de acte. Pluriel de arche.

Where the eye mixes actes and arches

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. actes runs 5 letters (VCCVC) against arches's 6 (VCCCVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
actes
6 ch
arches

Why the eye confuses actes with arches

A purely visual mix-up. actes (\akt\) and arches (\aʁʃ\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 29606, derived from the frequency rank of both members and their visual similarity.

actes is recorded at frequency rank #1,552, classified as anoun, pronounced \akt\. arches is at rank #28,054, tagged as anoun, pronounced \aʁʃ\.

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 29606, this pair ranks #315,622 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of actes vs arches

Shared letters: aces. Private to "actes": t. Private to "arches": hr.

"actes" · 5 letters · shape VCCVC  ·  "arches" · 6 letters · shape VCCCVC

Known mistypes of this pair

  • actes ← acctes · acets · actess · actse · acttes · atces · cates
  • arches ← acrhes · arcches · arcehs · archess · archhes · archse · arhces · arrches

Frequently Asked Questions

Can "actes" and "arches" be used interchangeably?
No. They are said differently (\akt\ versus \aʁʃ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "actes" vs "arches" - which ranks higher?
"actes" is the more common of the two: it sits at frequency rank #1,552 in our French list, against #28,054 for "arches". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "actes" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "arches" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #315,622 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "actes" and "arches" also get mixed up with nearby pairs, the highest-scored neighbour is "apaches vs arches". 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 #315,622 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