Which to use
“regula” is a verb and “regular” is an adjective - they look or sound alike but fill different roles in a sentence.
- #10,564
- “regula” frequency rank
- #2,633
- “regular” frequency rank
- 13197
- confusion score
Side-by-Side Comparison
| Feature | regula | regular |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de regular. | Ajustado y conforme a regla. |
Where the eye mixes regula and regular
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Visual trap between regula and regular
These two trip readers on the page rather than in the ear: regula is [reˈɣ̞ula] while regular is [reɣ̞uˈlaɾ]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 extra letter(s) - “regula” sits inside “regular”, and the parts of speech differ too (verb vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 13197, derived from the frequency rank of both members and their visual similarity.
regula is recorded at frequency rank #10,564, classified as averb, pronounced [reˈɣ̞ula]. regular is at rank #2,633, tagged as anadj, pronounced [reɣ̞uˈlaɾ].
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 13197, this pair ranks #288,750 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of regula vs regular
Shared letters: aeglru. Private to "regula": -. Private to "regular": -.
"regula" · 6 letters · shape CVCVCV · "regular" · 7 letters · shape CVCVCVC
Known mistypes of this pair
Frequently Asked Questions
Can "regula" and "regular" be used interchangeably?
Frequency check: "regula" vs "regular" - which ranks higher?
Useful next steps
Eye-level mix-up between "regula" and "regular" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "regula" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "regular" - compare definitions side by side with the headword page. Word entry
- This pair ranks #288,750 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "regula" and "regular" also get mixed up with nearby pairs, the highest-scored neighbour is "regula vs regulen". 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 #288,750 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.