contradictoriavscontradictorioWhat's the difference?

Quick tell: contradictoria is a noun, contradictorio is an adjective, so they fill different roles in a sentence.

Which to use

“contradictoria” is a noun and “contradictorio” is an adjective - they look or sound alike but fill different roles in a sentence.

#28,304
“contradictoria” frequency rank
#18,489
“contradictorio” frequency rank
46793
confusion score

Side-by-Side Comparison

Feature contradictoria contradictorio
Definition Cualquiera de dos proposiciones, de las cuales una afirma lo que otra niega, y no pueden ser a un mismo tiempo verdaderas ni a un mismo tiempo falsas. Que tiene contradicción con otra cosa.

Where the eye mixes contradictoria and contradictorio

Muted = shared; highlighted = the visual trap. They share 13 letters in sequence. contradictoria and contradictorio follow the identical consonant-vowel pattern (CVCCCVCVCCVCVV). Same shape at a glance is often the real trap, independent of shared letters.

14 ch
contradictoria
14 ch
contradictorio

Why the eye confuses contradictoria with contradictorio

These two trip readers on the page rather than in the ear: contradictoria is [kõn̪t̪ɾað̞ikˈt̪oɾja] while contradictorio is [kõn̪t̪ɾað̞ikˈt̪oɾjo]. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “contradictoria” becomes o in “contradictorio”, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 46793, derived from the frequency rank of both members and their visual similarity.

contradictoria is recorded at frequency rank #28,304, classified as anoun, pronounced [kõn̪t̪ɾað̞ikˈt̪oɾja]. contradictorio is at rank #18,489, tagged as anadj, pronounced [kõn̪t̪ɾað̞ikˈt̪oɾjo].

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 46793, this pair ranks #123,695 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of contradictoria vs contradictorio

Shared letters: acdinort. Private to "contradictoria": -. Private to "contradictorio": -.

"contradictoria" · 14 letters · shape CVCCCVCVCCVCVV  ·  "contradictorio" · 14 letters · shape CVCCCVCVCCVCVV

Known mistypes of this pair

  • contradictoria ← ccontradictoria · cnotradictoria · conntradictoria · conrtadictoria · contardictoria · contradcitoria · contraddictoria · contradicctoria
  • contradictorio ← ccontradictorio · cnotradictorio · conntradictorio · conrtadictorio · contardictorio · contradcitorio · contraddictorio · contradicctorio

Frequently Asked Questions

Is swapping "contradictoria" for "contradictorio" ever safe?
No - they are not even the same part of speech. "contradictoria" is a noun and "contradictorio" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Spanish text, does "contradictoria" or "contradictorio" show up more?
"contradictorio" is the more common of the two: it sits at frequency rank #18,489 in our Spanish list, against #28,304 for "contradictoria". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "contradictoria" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "contradictorio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #123,695 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "contradictoria" and "contradictorio" also get mixed up with nearby pairs, the highest-scored neighbour is "contradictoria vs contradictorios". 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 #123,695 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