seizièmevssixièmeTell them apart

Which to use

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

#20,571
“seizième” frequency rank
#4,380
“sixième” frequency rank
24951
confusion score

Side-by-Side Comparison

Feature seizième sixième
Definition Qui vient après le quinzième. Qui concerne l’ordinal correspondant au cardinal six.

Where the eye mixes seizième and sixième

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. seizième runs 8 letters (CVVCVVCV) against sixième's 7 (CVCVVCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
seizième
7 ch
sixième

Why the eye confuses seizième with sixième

A purely visual mix-up. seizième (\sɛ.zjɛm\) and sixième (\si.zjɛm\) 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 24951, derived from the frequency rank of both members and their visual similarity.

seizième is recorded at frequency rank #20,571, classified as anadj, pronounced \sɛ.zjɛm\. sixième is at rank #4,380, tagged as anadj, pronounced \si.zjɛm\.

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 24951, this pair ranks #343,618 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of seizième vs sixième

Shared letters: eimsè. Private to "seizième": z. Private to "sixième": x.

"seizième" · 8 letters · shape CVVCVVCV  ·  "sixième" · 7 letters · shape CVCVVCV

Frequently Asked Questions

Is swapping "seizième" for "sixième" ever safe?
No. They are said differently (\sɛ.zjɛm\ versus \si.zjɛm\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "seizième" or "sixième"?
"sixième" is the more common of the two: it sits at frequency rank #4,380 in our French list, against #20,571 for "seizième". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "seizième" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "sixième" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #343,618 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "seizième" and "sixième" also get mixed up with nearby pairs, the highest-scored neighbour is "seizième vs XVIe". Nearby pair

Confusion rank #343,618 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