retarvsretardoWhat's the difference?

Which to use

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

#37,304
“retar” frequency rank
#35,235
“retardo” frequency rank
72539
confusion score

Side-by-Side Comparison

Feature retar retardo
Definition Dicho de un noble: acusar ante el rey a otro noble de alevosía, quedando obligado el primero a mantener la denuncia en buena lid. Primera persona del singular (yo) del presente de indicativo de retardar.

Where the eye mixes retar and retardo

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. retar runs 5 letters (CVCVC) against retardo's 7 (CVCVCCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
retar
7 ch
retardo

Why the eye confuses retar with retardo

A purely visual mix-up. retar ([reˈt̪aɾ]) and retardo ([reˈt̪aɾð̞o]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “retar” sits inside “retardo”. Our composite confusion score for this pair is 72539, derived from the frequency rank of both members and their visual similarity.

retar is recorded at frequency rank #37,304, classified as averb, pronounced [reˈt̪aɾ]. retardo is at rank #35,235, tagged as averb, pronounced [reˈt̪aɾð̞o].

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 72539, this pair ranks #25,144 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of retar vs retardo

Shared letters: aert. Private to "retar": -. Private to "retardo": do.

"retar" · 5 letters · shape CVCVC  ·  "retardo" · 7 letters · shape CVCVCCV

Known mistypes of this pair

  • retar ← ertar · reatr · retarr · retra · rettar · rretar · rtear
  • retardo ← ertardo · reatrdo · retadro · retarddo · retarod · retarrdo · retrado · rettardo

Frequently Asked Questions

Is swapping "retar" for "retardo" ever safe?
No. They are said differently ([reˈt̪aɾ] versus [reˈt̪aɾð̞o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "retar" or "retardo" show up more?
"retardo" is the more common of the two: it sits at frequency rank #35,235 in our Spanish list, against #37,304 for "retar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "retar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "retardo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #25,144 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "retar" and "retardo" also get mixed up with nearby pairs, the highest-scored neighbour is "regado vs retardo". 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 #25,144 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