Which to use
“simultáneas” is a noun and “simultáneos” is an adjective - they look or sound alike but fill different roles in a sentence.
- #32,405
- “simultáneas” frequency rank
- #39,463
- “simultáneos” frequency rank
- 71868
- confusion score
Side-by-Side Comparison
| Feature | simultáneas | simultáneos |
|---|---|---|
| Definition | Evento en el que un jugador (por lo general un maestro o Gran Maestro) juega múltiples partidas de ajedrez a la vez contra varios jugadores (usualmente por debajo del rango de maestro). | Forma del masculino plural de simultáneo. |
Where the eye mixes simultáneas and simultáneos
Muted = shared; highlighted = the visual trap. They share 10 letters in sequence.
Why the eye confuses simultáneas with simultáneos
These two trip readers on the page rather than in the ear: simultáneas is [simul̪ˈt̪aneas] while simultáneos is [simul̪ˈt̪aneos]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “simultáneas” becomes o in “simultáneos”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 71868, derived from the frequency rank of both members and their visual similarity.
simultáneas is recorded at frequency rank #32,405, classified as anoun, pronounced [simul̪ˈt̪aneas]. simultáneos is at rank #39,463, tagged as anadj, pronounced [simul̪ˈt̪aneos].
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 71868, this pair ranks #26,583 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of simultáneas vs simultáneos
Shared letters: eilmnstuá. Private to "simultáneas": a. Private to "simultáneos": o.
"simultáneas" · 11 letters · shape CVCVCCVCVVC · "simultáneos" · 11 letters · shape CVCVCCVCVVC
Frequently Asked Questions
Can "simultáneas" and "simultáneos" be used interchangeably?
In ordinary Spanish text, does "simultáneas" or "simultáneos" show up more?
Useful next steps
Eye-level mix-up between "simultáneas" and "simultáneos" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "simultáneas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "simultáneos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #26,583 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "simultáneas" and "simultáneos" also get mixed up with nearby pairs, the highest-scored neighbour is "simultáneo vs simultáneos". Nearby pair
Confusion rank #26,583 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.