ingénieursvsingénieuxConfusable pair

Quick tell: ingénieurs is a noun, ingénieux is an adjective, so they fill different roles in a sentence.

Which to use

“ingénieurs” is a noun and “ingénieux” is an adjective - they look or sound alike but fill different roles in a sentence.

#4,156
“ingénieurs” frequency rank
#21,048
“ingénieux” frequency rank
25204
confusion score

Side-by-Side Comparison

Feature ingénieurs ingénieux
Definition Pluriel de ingénieur. Qui est plein de ressources, d’esprit, plein d’invention et d’adresse.

Where the eye mixes ingénieurs and ingénieux

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. ingénieurs runs 10 letters (VCCVCVVVCC) against ingénieux's 9 (VCCVCVVVC) - the length gap alone is often enough to separate them once you know to check it.

10 ch
ingénieurs
9 ch
ingénieux

Visual trap between ingénieurs and ingénieux

These two trip readers on the page rather than in the ear: ingénieurs is \ɛ̃.ʒe.njœʁ\ while ingénieux is \ɛ̃.ʒe.njø\. 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 (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 25204, derived from the frequency rank of both members and their visual similarity.

ingénieurs is recorded at frequency rank #4,156, classified as anoun, pronounced \ɛ̃.ʒe.njœʁ\. ingénieux is at rank #21,048, tagged as anadj, pronounced \ɛ̃.ʒe.njø\.

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 25204, this pair ranks #342,198 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ingénieurs vs ingénieux

Shared letters: eginué. Private to "ingénieurs": rs. Private to "ingénieux": x.

"ingénieurs" · 10 letters · shape VCCVCVVVCC  ·  "ingénieux" · 9 letters · shape VCCVCVVVC

Frequently Asked Questions

Can "ingénieurs" and "ingénieux" be used interchangeably?
No - they are not even the same part of speech. "ingénieurs" is a noun and "ingénieux" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ingénieurs" vs "ingénieux" - which ranks higher?
"ingénieurs" is the more common of the two: it sits at frequency rank #4,156 in our French list, against #21,048 for "ingénieux". 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 "ingénieurs" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ingénieux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #342,198 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ingénieurs" and "ingénieux" also get mixed up with nearby pairs, the highest-scored neighbour is "ingénieure vs ingénieux". Nearby pair

Confusion rank #342,198 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