registraronvsregistrarseWhich spelling fits?

Which to use

“registraron” and “registrarse” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#11,302
“registraron” frequency rank
#15,702
“registrarse” frequency rank
27004
confusion score

Side-by-Side Comparison

Feature registraron registrarse
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito perfecto simple de indicativo de registrar o de registrarse. Someterse a registro, toma de razón o matrícula.

Where the eye mixes registraron and registrarse

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. registraron (CVCVCCCVCVC) and registrarse (CVCVCCCVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

11 ch
registraron
11 ch
registrarse

Why the eye confuses registraron with registrarse

A purely visual mix-up. registraron ([rexisˈt̪ɾaɾõn]) and registrarse ([rexisˈt̪ɾaɾse]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 27004, derived from the frequency rank of both members and their visual similarity.

registraron is recorded at frequency rank #11,302, classified as averb, pronounced [rexisˈt̪ɾaɾõn]. registrarse is at rank #15,702, tagged as averb, pronounced [rexisˈt̪ɾaɾse].

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 27004, this pair ranks #228,892 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of registraron vs registrarse

Shared letters: aegirst. Private to "registraron": no. Private to "registrarse": -.

"registraron" · 11 letters · shape CVCVCCCVCVC  ·  "registrarse" · 11 letters · shape CVCVCCCVCCV

Known mistypes of this pair

  • registraron ← ergistraron · reggistraron · regisrtaron · regisstraron · registarron · registraorn · registrarno · registraronn
  • registrarse ← ergistrarse · reggistrarse · regisrtarse · regisstrarse · registarrse · registrarce · registrares · registrarrse

Frequently Asked Questions

Is swapping "registraron" for "registrarse" ever safe?
No. They are said differently ([rexisˈt̪ɾaɾõn] versus [rexisˈt̪ɾaɾse]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "registraron" vs "registrarse" - which ranks higher?
"registraron" is the more common of the two: it sits at frequency rank #11,302 in our Spanish list, against #15,702 for "registrarse". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "registraron" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "registrarse" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #228,892 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "registraron" and "registrarse" also get mixed up with nearby pairs, the highest-scored neighbour is "registrarse vs regístrese". 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 #228,892 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list