Which to use
“ru” and “rule” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #16,467
- “ru” frequency rank
- #39,521
- “rule” frequency rank
- 55988
- confusion score
Side-by-Side Comparison
| Feature | ru | rule |
|---|---|---|
| Definition | Petit ruisseau. | Règle (ordre). |
Where the eye mixes ru and rule
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses ru with rule
A purely visual mix-up. ru (\ʁy\) and rule (\ɹuːl\) 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 2 extra letter(s) - “ru” sits inside “rule”. Our composite confusion score for this pair is 55988, derived from the frequency rank of both members and their visual similarity.
ru is recorded at frequency rank #16,467, classified as anoun, pronounced \ʁy\. rule is at rank #39,521, tagged as anoun, pronounced \ɹuːl\.
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 55988, this pair ranks #123,924 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ru vs rule
Shared letters: ru. Private to "ru": -. Private to "rule": el.
"ru" · 2 letters · shape CV · "rule" · 4 letters · shape CVCV
Known mistypes of this pair
- rule ← rlue · rrule · ruel · rulle · urle
Frequently Asked Questions
Do "ru" and "rule" mean the same thing in a sentence?
In ordinary French text, does "ru" or "rule" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "ru" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rule" - compare definitions side by side with the headword page. Word entry
- This pair ranks #123,924 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ru" and "rule" also get mixed up with nearby pairs, the highest-scored neighbour is "râles vs rule". 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 #123,924 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.