acidesvsactivesWhich spelling fits?

Which to use

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

#8,646
“acides” frequency rank
#11,335
“actives” frequency rank
19981
confusion score

Side-by-Side Comparison

Feature acides actives
Definition Pluriel de acide. Féminin pluriel de actif.

Where the eye mixes acides and actives

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
acides
7 ch
actives

Why the eye confuses acides with actives

A purely visual mix-up. acides (\a.sid\) and actives (\ak.tiv\) 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 19981, derived from the frequency rank of both members and their visual similarity.

acides is recorded at frequency rank #8,646, classified as anadj, pronounced \a.sid\. actives is at rank #11,335, tagged as anadj, pronounced \ak.tiv\.

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 19981, this pair ranks #370,528 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of acides vs actives

Shared letters: aceis. Private to "acides": d. Private to "actives": tv.

"acides" · 6 letters · shape VCVCVC  ·  "actives" · 7 letters · shape VCCVCVC

Known mistypes of this pair

  • acidesaccides · acdies · aciddes · acidess · acidse · acieds · aicdes · caides
  • activesacctives · acitves · actievs · activess · activse · activves · acttives · actvies

Frequently Asked Questions

Can "acides" and "actives" be used interchangeably?
No. They are said differently (\a.sid\ versus \ak.tiv\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "acides" vs "actives" - which ranks higher?
"acides" is the more common of the two: it sits at frequency rank #8,646 in our French list, against #11,335 for "actives". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "acides" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "actives" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #370,528 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "acides" and "actives" also get mixed up with nearby pairs, the highest-scored neighbour is "acides vs alcide". 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 #370,528 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