seulesvssièclesWhat's the difference?

Quick tell: seules is a adjective, siècles is a noun, so they fill different roles in a sentence.

Which to use

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

#2,739
“seules” frequency rank
#2,854
“siècles” frequency rank
5593
confusion score

Side-by-Side Comparison

Feature seules siècles
Definition Féminin pluriel de seul. Pluriel de siècle.

Where the eye mixes seules and siècles

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
seules
7 ch
siècles

Why the eye confuses seules with siècles

These two trip readers on the page rather than in the ear: seules is \sœl\ while siècles is \sjɛkl\. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 5593, derived from the frequency rank of both members and their visual similarity.

seules is recorded at frequency rank #2,739, classified as anadj, pronounced \sœl\. siècles is at rank #2,854, tagged as anoun, pronounced \sjɛkl\.

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 5593, this pair ranks #428,576 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seules vs siècles

Shared letters: els. Private to "seules": u. Private to "siècles": ciè.

"seules" · 6 letters · shape CVVCVC  ·  "siècles" · 7 letters · shape CVVCCVC

Known mistypes of this pair

  • seulesesules · selues · seuels · seuless · seulles · seulse · sseules · sueles

Frequently Asked Questions

Can "seules" and "siècles" be used interchangeably?
No - they are not even the same part of speech. "seules" is an adjective and "siècles" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "seules" or "siècles" show up more?
"seules" is the more common of the two: it sits at frequency rank #2,739 in our French list, against #2,854 for "siècles". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "seules" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "siècles" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #428,576 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "seules" and "siècles" also get mixed up with nearby pairs, the highest-scored neighbour is "siècles vs socles". 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 #428,576 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