illégalevsillégalesConfusable pair

Which to use

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

#7,711
“illégale” frequency rank
#12,981
“illégales” frequency rank
20692
confusion score

Side-by-Side Comparison

Feature illégale illégales
Definition Espionne. Pluriel de illégale.

Where the eye mixes illégale and illégales

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

8 ch
illégale
9 ch
illégales

Visual trap between illégale and illégales

A purely visual mix-up. illégale (\i.le.gal\) and illégales (\i.le.ɡal\) 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 extra letter(s) - “illégale” sits inside “illégales”. Our composite confusion score for this pair is 20692, derived from the frequency rank of both members and their visual similarity.

illégale is recorded at frequency rank #7,711, classified as anoun, pronounced \i.le.gal\. illégales is at rank #12,981, tagged as anoun, pronounced \i.le.ɡal\.

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 20692, this pair ranks #366,980 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of illégale vs illégales

Shared letters: aegilé. Private to "illégale": -. Private to "illégales": s.

"illégale" · 8 letters · shape VCCVCVCV  ·  "illégales" · 9 letters · shape VCCVCVCVC

Frequently Asked Questions

Can "illégale" and "illégales" be used interchangeably?
No. They are said differently (\i.le.gal\ versus \i.le.ɡal\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "illégale" or "illégales"?
"illégale" is the more common of the two: it sits at frequency rank #7,711 in our French list, against #12,981 for "illégales". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "illégale" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "illégales" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #366,980 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "illégale" and "illégales" also get mixed up with nearby pairs, the highest-scored neighbour is "illegal vs illégales". Nearby pair

Confusion rank #366,980 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