acesvsacsTell them apart

Which to use

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

#43,246
“aces” frequency rank
#45,982
“acs” frequency rank
89228
confusion score

Side-by-Side Comparison

Feature aces acs
Definition Pluriel de ace. Pluriel d’ac.

Where the eye mixes aces and acs

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. aces runs 4 letters (VCVC) against acs's 3 (VCC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
aces
3 ch
acs

Visual trap between aces and acs

A purely visual mix-up. aces (\ɛs\) and acs (\ˈat͡s\) 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 89228, derived from the frequency rank of both members and their visual similarity.

aces is recorded at frequency rank #43,246, classified as anoun, pronounced \ɛs\. acs is at rank #45,982, tagged as anoun, pronounced \ˈat͡s\.

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 89228, this pair ranks #6,023 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of aces vs acs

Shared letters: acs. Private to "aces": e. Private to "acs": -.

"aces" · 4 letters · shape VCVC  ·  "acs" · 3 letters · shape VCC

Known mistypes of this pair

Frequently Asked Questions

Can "aces" and "acs" be used interchangeably?
No. They are said differently (\ɛs\ versus \ˈat͡s\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "aces" or "acs"?
"aces" is the more common of the two: it sits at frequency rank #43,246 in our French list, against #45,982 for "acs". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "aces" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acs" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,023 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "aces" and "acs" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs aves". 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 #6,023 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