Which to use
“efectuados” is a participle and “efectuaron” is a verb - they look or sound alike but fill different roles in a sentence.
- #31,757
- “efectuados” frequency rank
- #33,094
- “efectuaron” frequency rank
- 64851
- confusion score
Side-by-Side Comparison
| Feature | efectuados | efectuaron |
|---|---|---|
| Definition | Forma del plural de efectuado, participio de efectuar. | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de efectuar. |
Where the eye mixes efectuados and efectuaron
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence.
Why the eye confuses efectuados with efectuaron
These two trip readers on the page rather than in the ear: efectuados is [efekˈt̪wað̞os] while efectuaron is [efekˈt̪waɾõn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (participle vs verb), which is usually the fastest check. Our composite confusion score for this pair is 64851, derived from the frequency rank of both members and their visual similarity.
efectuados is recorded at frequency rank #31,757, classified as aparticiple, pronounced [efekˈt̪wað̞os]. efectuaron is at rank #33,094, tagged as averb, pronounced [efekˈt̪waɾõn].
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 64851, this pair ranks #44,369 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of efectuados vs efectuaron
Shared letters: acefotu. Private to "efectuados": ds. Private to "efectuaron": nr.
"efectuados" · 10 letters · shape VCVCCVVCVC · "efectuaron" · 10 letters · shape VCVCCVVCVC
Known mistypes of this pair
- efectuados ← eefctuados · efcetuados · efecctuados · efectaudos · efecttuados · efectuaddos · efectuadoss · efectuadso
- efectuaron ← eefctuaron · efcetuaron · efecctuaron · efectauron · efecttuaron · efectuaorn · efectuarno · efectuaronn
Frequently Asked Questions
Is swapping "efectuados" for "efectuaron" ever safe?
In ordinary Spanish text, does "efectuados" or "efectuaron" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "efectuados" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "efectuaron" - compare definitions side by side with the headword page. Word entry
- This pair ranks #44,369 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "efectuados" and "efectuaron" also get mixed up with nearby pairs, the highest-scored neighbour is "efectuados vs efectuando". 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 #44,369 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.