roublesvsroulisConfusable pair

Which to use

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

#22,685
“roubles” frequency rank
#44,150
“roulis” frequency rank
66835
confusion score

Side-by-Side Comparison

Feature roubles roulis
Definition Pluriel de rouble. Balancement d’un navire qui roule, qui penche alternativement de droite à gauche et de gauche à droite.

Where the eye mixes roubles and roulis

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
roubles
6 ch
roulis

Why the eye confuses roubles with roulis

A purely visual mix-up. roubles (\ʁubl\) and roulis (\ʁu.li\) 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 66835, derived from the frequency rank of both members and their visual similarity.

roubles is recorded at frequency rank #22,685, classified as anoun, pronounced \ʁubl\. roulis is at rank #44,150, tagged as anoun, pronounced \ʁu.li\.

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 66835, this pair ranks #66,046 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of roubles vs roulis

Shared letters: lorsu. Private to "roubles": be. Private to "roulis": i.

"roubles" · 7 letters · shape CVVCCVC  ·  "roulis" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • roublesorubles · robules · roubbles · roubels · roubless · roublles · roublse · roulbes
  • roulisorulis · roluis · rouils · rouliss · roullis · roulsi · rroulis · ruolis

Frequently Asked Questions

Is swapping "roubles" for "roulis" ever safe?
No. They are said differently (\ʁubl\ versus \ʁu.li\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "roubles" or "roulis" show up more?
"roubles" is the more common of the two: it sits at frequency rank #22,685 in our French list, against #44,150 for "roulis". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "roubles" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "roulis" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #66,046 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "roubles" and "roulis" also get mixed up with nearby pairs, the highest-scored neighbour is "rotules vs roulis". 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 #66,046 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