contaminanvscontaminarWhat's the difference?

Which to use

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

#35,960
“contaminan” frequency rank
#31,284
“contaminar” frequency rank
67244
confusion score

Side-by-Side Comparison

Feature contaminan contaminar
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de contaminar. Inmiscuir una cosa con otra de diferente naturaleza.

Where the eye mixes contaminan and contaminar

Muted = shared; highlighted = the visual trap. They share 9 letters in sequence. contaminan and contaminar follow the identical consonant-vowel pattern (CVCCVCVCVC). Same shape at a glance is often the real trap, independent of shared letters.

10 ch
contaminan
10 ch
contaminar

Visual trap between contaminan and contaminar

A purely visual mix-up. contaminan ([kõn̪t̪aˈminãn]) 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 a single letter - n in “contaminan” becomes r in “contaminar”. Our composite confusion score for this pair is 67244, derived from the frequency rank of both members and their visual similarity.

contaminan is recorded at frequency rank #35,960, classified as averb, pronounced [kõn̪t̪aˈminãn]. 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 67244, this pair ranks #37,673 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of contaminan vs contaminar

Shared letters: acimnot. Private to "contaminan": -. Private to "contaminar": r.

"contaminan" · 10 letters · shape CVCCVCVCVC  ·  "contaminar" · 10 letters · shape CVCCVCVCVC

Known mistypes of this pair

  • contaminan ← ccontaminan · cnotaminan · conatminan · conntaminan · contaimnan · contamiann · contaminann · contaminnan
  • contaminar ← ccontaminar · cnotaminar · conatminar · conntaminar · contaimnar · contamianr · contaminarr · contaminnar

Frequently Asked Questions

Can "contaminan" and "contaminar" be used interchangeably?
No. They are said differently ([kõn̪t̪aˈminãn] versus [kõn̪t̪amiˈnaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "contaminan" or "contaminar"?
"contaminar" is the more common of the two: it sits at frequency rank #31,284 in our Spanish list, against #35,960 for "contaminan". 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 "contaminan" 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 #37,673 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "contaminan" and "contaminar" also get mixed up with nearby pairs, the highest-scored neighbour is "contaminan vs contaminando". 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 #37,673 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