contagiarvscontaminarWhat's the difference?

Which to use

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

#36,996
“contagiar” frequency rank
#31,284
“contaminar” frequency rank
68280
confusion score

Side-by-Side Comparison

Feature contagiar contaminar
Definition Pasar un agente patógeno (como un virus o una infección) de algún ser vivo a otro; propagar una enfermedad por contagio. Inmiscuir una cosa con otra de diferente naturaleza.

Where the eye mixes contagiar and contaminar

Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. contagiar runs 9 letters (CVCCVCVVC) against contaminar's 10 (CVCCVCVCVC) - the length gap alone is often enough to separate them once you know to check it.

9 ch
contagiar
10 ch
contaminar

Why the eye confuses contagiar with contaminar

A purely visual mix-up. contagiar ([kõn̪t̪aˈxjaɾ]) and contaminar ([kõn̪t̪amiˈnaɾ]) 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 1 letter(s) in length. Our composite confusion score for this pair is 68280, derived from the frequency rank of both members and their visual similarity.

contagiar is recorded at frequency rank #36,996, classified as averb, pronounced [kõn̪t̪aˈxjaɾ]. contaminar is at rank #31,284, tagged as averb, pronounced [kõn̪t̪amiˈnaɾ].

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 68280, this pair ranks #34,909 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of contagiar vs contaminar

Shared letters: acinort. Private to "contagiar": g. Private to "contaminar": m.

"contagiar" · 9 letters · shape CVCCVCVVC  ·  "contaminar" · 10 letters · shape CVCCVCVCVC

Known mistypes of this pair

  • contagiar ← ccontagiar · cnotagiar · conatgiar · conntagiar · contagair · contaggiar · contagiarr · contagira
  • contaminar ← ccontaminar · cnotaminar · conatminar · conntaminar · contaimnar · contamianr · contaminarr · contaminnar

Frequently Asked Questions

Can "contagiar" and "contaminar" be used interchangeably?
No. They are said differently ([kõn̪t̪aˈxjaɾ] versus [kõn̪t̪amiˈnaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "contagiar" or "contaminar" show up more?
"contaminar" is the more common of the two: it sits at frequency rank #31,284 in our Spanish list, against #36,996 for "contagiar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "contagiar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "contaminar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,909 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "contagiar" and "contaminar" also get mixed up with nearby pairs, the highest-scored neighbour is "consagrar vs contagiar". 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 #34,909 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