frontalièrevsfrontalièresTell them apart

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

Which to use

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

#27,450
“frontalière” frequency rank
#36,407
“frontalières” frequency rank
63857
confusion score

Side-by-Side Comparison

Feature frontalière frontalières
Definition Femme qui habite une région frontalière. Féminin pluriel de frontalier.

Same sound, different letters: frontalière vs frontalières

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 11 letters. frontalière runs 11 letters (CCVCCVCVVCV) against frontalières's 12 (CCVCCVCVVCVC) - the length gap alone is often enough to separate them once you know to check it.

11 ch
frontalière
12 ch
frontalières

Same sound, different spelling - frontalière / frontalières

Say them out loud and nothing separates them: frontalière and frontalières carry the same recorded pronunciation, \fʁɔ̃.ta.ljɛʁ\. Grammar is what tells them apart: one is anoun, the other anadjective, so most sentences will only accept one of them. They differ by 1 extra letter(s) - “frontalière” sits inside “frontalières”. Our composite confusion score for this pair is 63857, derived from the frequency rank of both members and their visual similarity.

frontalière is recorded at frequency rank #27,450, classified as anoun, pronounced \fʁɔ̃.ta.ljɛʁ\. frontalières is at rank #36,407, tagged as anadj, pronounced \fʁɔ̃.ta.ljɛʁ\.

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 63857, this pair ranks #79,871 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of frontalière vs frontalières

Shared letters: aefilnortè. Private to "frontalière": -. Private to "frontalières": s.

"frontalière" · 11 letters · shape CCVCCVCVVCV  ·  "frontalières" · 12 letters · shape CCVCCVCVVCVC

Frequently Asked Questions

Do "frontalière" and "frontalières" mean the same thing in a sentence?
No - they are not even the same part of speech. "frontalière" is a noun and "frontalières" an adjective, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "frontalière" or "frontalières"?
"frontalière" is the more common of the two: it sits at frequency rank #27,450 in our French list, against #36,407 for "frontalières". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

"frontalière" and "frontalières" share a sound, keep the gloss open, then jump to the headword or a nearby trap.

  • Full dictionary entry for "frontalière" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "frontalières" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #79,871 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "frontalière" and "frontalières" also get mixed up with nearby pairs, the highest-scored neighbour is "frontalier vs frontalières". Nearby pair

Confusion rank #79,871 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