contaminanvscontaminandoWhat's the difference?

Which to use

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

#35,960
“contaminan” frequency rank
#44,071
“contaminando” frequency rank
80031
confusion score

Side-by-Side Comparison

Feature contaminan contaminando
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de contaminar. Gerundio de contaminar.

Where the eye mixes contaminan and contaminando

Muted = shared; highlighted = the visual trap. They share 10 letters in sequence. contaminan runs 10 letters (CVCCVCVCVC) against contaminando's 12 (CVCCVCVCVCCV) - the length gap alone is often enough to separate them once you know to check it.

10 ch
contaminan
12 ch
contaminando

Visual trap between contaminan and contaminando

A purely visual mix-up. contaminan ([kõn̪t̪aˈminãn]) and contaminando ([kõn̪t̪amiˈnãn̪d̪o]) 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) - “contaminan” sits inside “contaminando”. Our composite confusion score for this pair is 80031, 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]. contaminando is at rank #44,071, tagged as averb, pronounced [kõn̪t̪amiˈnãn̪d̪o].

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 80031, this pair ranks #12,198 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of contaminan vs contaminando

Shared letters: acimnot. Private to "contaminan": -. Private to "contaminando": d.

"contaminan" · 10 letters · shape CVCCVCVCVC  ·  "contaminando" · 12 letters · shape CVCCVCVCVCCV

Known mistypes of this pair

  • contaminan ← ccontaminan · cnotaminan · conatminan · conntaminan · contaimnan · contamiann · contaminann · contaminnan
  • contaminando ← ccontaminando · cnotaminando · conatminando · conntaminando · contaimnando · contamianndo · contaminadno · contaminanddo

Frequently Asked Questions

Is swapping "contaminan" for "contaminando" ever safe?
No. They are said differently ([kõn̪t̪aˈminãn] versus [kõn̪t̪amiˈnãn̪d̪o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "contaminan" or "contaminando"?
"contaminan" is the more common of the two: it sits at frequency rank #35,960 in our Spanish list, against #44,071 for "contaminando". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "contaminan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "contaminando" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #12,198 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "contaminan" and "contaminando" also get mixed up with nearby pairs, the highest-scored neighbour is "contaminados 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 #12,198 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