réglovsréguleWhich spelling fits?

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

Which to use

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

#36,578
“réglo” frequency rank
#34,734
“régule” frequency rank
71312
confusion score

Side-by-Side Comparison

Feature réglo régule
Definition Conforme au règlement ; règlementaire. Nom donné à différents alliages d’antimoine, d’étain ou de plomb.

Where the eye mixes réglo and régule

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

5 ch
réglo
6 ch
régule

Why the eye confuses réglo with régule

These two trip readers on the page rather than in the ear: réglo is \ʁe.ɡlo\ while régule is \ʁe.ɡyl\. 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 71312, derived from the frequency rank of both members and their visual similarity.

réglo is recorded at frequency rank #36,578, classified as anadj, pronounced \ʁe.ɡlo\. régule is at rank #34,734, tagged as anoun, pronounced \ʁe.ɡyl\.

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 71312, this pair ranks #47,995 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of réglo vs régule

Shared letters: glré. Private to "réglo": o. Private to "régule": eu.

"réglo" · 5 letters · shape CVCCV  ·  "régule" · 6 letters · shape CVCVCV

Frequently Asked Questions

Is swapping "réglo" for "régule" ever safe?
No - they are not even the same part of speech. "réglo" is an adjective and "régule" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "réglo" vs "régule" - which ranks higher?
"régule" is the more common of the two: it sits at frequency rank #34,734 in our French list, against #36,578 for "réglo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "réglo" and "régule" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "réglo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "régule" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #47,995 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "réglo" and "régule" also get mixed up with nearby pairs, the highest-scored neighbour is "Reggio vs réglo". Nearby pair

Confusion rank #47,995 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