ingénieurvsingénieuseWhich spelling fits?

Which to use

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

#3,010
“ingénieur” frequency rank
#42,402
“ingénieuse” frequency rank
45412
confusion score

Side-by-Side Comparison

Feature ingénieur ingénieuse
Definition Personne qui conduit des ouvrages ou travaux publics, tels que la construction et l’entretien des routes, la construction des vaisseaux, l’exploitation des mines, etc., ou qui s’occupe, soit des applications industrielles et commerciales de la physique, de la mécanique, de la chimie, de l’électricité, et d’autres domaines divers et variés. Celle qui conduit des ouvrages ou travaux publics, tels que la construction et l’entretien des routes, la construction des vaisseaux, l’exploitation des mines, ou qui s’occupe, soit théoriquement, soit pratiquement, des applications industrielles et commerciales de la physique, de la mécanique, de la chimie, de l’électricité, et d’autres domaines divers et variés.

Where the eye mixes ingénieur and ingénieuse

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

9 ch
ingénieur
10 ch
ingénieuse

Look-alike desk: ingénieur vs ingénieuse

A purely visual mix-up. ingénieur (\ɛ̃.ʒe.njœʁ\) and ingénieuse (\ɛ̃.ʒe.njøz\) 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 45412, derived from the frequency rank of both members and their visual similarity.

ingénieur is recorded at frequency rank #3,010, classified as anoun, pronounced \ɛ̃.ʒe.njœʁ\. ingénieuse is at rank #42,402, tagged as anoun, pronounced \ɛ̃.ʒe.njøz\.

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 45412, this pair ranks #202,897 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ingénieur vs ingénieuse

Shared letters: eginué. Private to "ingénieur": r. Private to "ingénieuse": s.

"ingénieur" · 9 letters · shape VCCVCVVVC  ·  "ingénieuse" · 10 letters · shape VCCVCVVVCV

Frequently Asked Questions

Do "ingénieur" and "ingénieuse" mean the same thing in a sentence?
No. They are said differently (\ɛ̃.ʒe.njœʁ\ versus \ɛ̃.ʒe.njøz\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "ingénieur" vs "ingénieuse" - which ranks higher?
"ingénieur" is the more common of the two: it sits at frequency rank #3,010 in our French list, against #42,402 for "ingénieuse". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "ingénieur" and "ingénieuse" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "ingénieur" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ingénieuse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #202,897 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "ingénieur" and "ingénieuse" also get mixed up with nearby pairs, the highest-scored neighbour is "ingénieure vs ingénieuse". Nearby pair

Confusion rank #202,897 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