XIIIevsXVIIIeTell them apart

Which to use

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

#16,512
“XIIIe” frequency rank
#8,483
“XVIIIe” frequency rank
24995
confusion score

Side-by-Side Comparison

Feature XIIIe XVIIIe
Definition Treizième. Dix-huitième.

Where the eye mixes XIIIe and XVIIIe

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. XIIIe runs 5 letters (CVVVV) against XVIIIe's 6 (CCVVVV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
XIIIe
6 ch
XVIIIe

Look-alike desk: XIIIe vs XVIIIe

A purely visual mix-up. XIIIe (\tʁɛ.zjɛm\) and XVIIIe (\di.z‿ɥi.tjɛm\) 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 24995, derived from the frequency rank of both members and their visual similarity.

XIIIe is recorded at frequency rank #16,512, classified as anadj, pronounced \tʁɛ.zjɛm\. XVIIIe is at rank #8,483, tagged as anadj, pronounced \di.z‿ɥi.tjɛm\.

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 24995, this pair ranks #343,388 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of XIIIe vs XVIIIe

Shared letters: eix. Private to "XIIIe": -. Private to "XVIIIe": v.

"XIIIe" · 5 letters · shape CVVVV  ·  "XVIIIe" · 6 letters · shape CCVVVV

Known mistypes of this pair

  • XIIIeixiie · xiiei · xxiiie
  • XVIIIevxiiie · xiviie · xviiei · xvviiie · xxviiie

Frequently Asked Questions

Is swapping "XIIIe" for "XVIIIe" ever safe?
No. They are said differently (\tʁɛ.zjɛm\ versus \di.z‿ɥi.tjɛm\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "XIIIe" vs "XVIIIe" - which ranks higher?
"XVIIIe" is the more common of the two: it sits at frequency rank #8,483 in our French list, against #16,512 for "XIIIe". 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 "XIIIe" and "XVIIIe" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "XIIIe" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "XVIIIe" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #343,388 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "XIIIe" and "XVIIIe" also get mixed up with nearby pairs, the highest-scored neighbour is "treizième vs XIIIe". 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 #343,388 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