aciervsaciérieConfusable pair

Which to use

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

#3,974
“acier” frequency rank
#48,893
“aciérie” frequency rank
52867
confusion score

Side-by-Side Comparison

Feature acier aciérie
Definition Alliage de fer et de carbone, dont la proportion de celui-ci ne dépasse pas 2 %, susceptible d’acquérir, par certains procédés, un grand degré de dureté. Usine où l’on fabrique l’acier.

Where the eye mixes acier and aciérie

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. acier runs 5 letters (VCVVC) against aciérie's 7 (VCVVCVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
acier
7 ch
aciérie

Why the eye confuses acier with aciérie

A purely visual mix-up. acier (\a.sje\) and aciérie (\a.sje.ʁi\) 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 2 letter(s) in length. Our composite confusion score for this pair is 52867, derived from the frequency rank of both members and their visual similarity.

acier is recorded at frequency rank #3,974, classified as anoun, pronounced \a.sje\. aciérie is at rank #48,893, tagged as anoun, pronounced \a.sje.ʁi\.

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 52867, this pair ranks #144,707 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of acier vs aciérie

Shared letters: aceir. Private to "acier": -. Private to "aciérie": é.

"acier" · 5 letters · shape VCVVC  ·  "aciérie" · 7 letters · shape VCVVCVV

Known mistypes of this pair

  • acier ← accier · aceir · acierr · acire · aicer · caier

Frequently Asked Questions

Do "acier" and "aciérie" mean the same thing in a sentence?
No. They are said differently (\a.sje\ versus \a.sje.ʁi\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "acier" or "aciérie"?
"acier" is the more common of the two: it sits at frequency rank #3,974 in our French list, against #48,893 for "aciérie". 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 "acier" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "aciérie" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #144,707 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "acier" and "aciérie" also get mixed up with nearby pairs, the highest-scored neighbour is "aciérie vs aciéries". 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 #144,707 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