emisiónvserosiónConfusable pair

Which to use

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

#4,241
“emisión” frequency rank
#15,086
“erosión” frequency rank
19327
confusion score

Side-by-Side Comparison

Feature emisión erosión
Definition Acción o efecto de emitir. Proceso de desgaste de superficie terrestre por fuerzas externas como: el agua, el viento, la radiación solar, la gravitación y actividades de seres vivos .

Where the eye mixes emisión and erosión

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. emisión and erosión follow the identical consonant-vowel pattern (VCVCVVC). Same shape at a glance is often the real trap, independent of shared letters.

7 ch
emisión
7 ch
erosión

Why the eye confuses emisión with erosión

A purely visual mix-up. emisión ([emiˈsjõn]) and erosión ([eɾoˈsjõn]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 19327, derived from the frequency rank of both members and their visual similarity.

emisión is recorded at frequency rank #4,241, classified as anoun, pronounced [emiˈsjõn]. erosión is at rank #15,086, tagged as anoun, pronounced [eɾoˈsjõn].

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 19327, this pair ranks #264,252 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of emisión vs erosión

Shared letters: einsó. Private to "emisión": m. Private to "erosión": or.

"emisión" · 7 letters · shape VCVCVVC  ·  "erosión" · 7 letters · shape VCVCVVC

Frequently Asked Questions

Is swapping "emisión" for "erosión" ever safe?
No. They are said differently ([emiˈsjõn] versus [eɾoˈsjõn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "emisión" vs "erosión" - which ranks higher?
"emisión" is the more common of the two: it sits at frequency rank #4,241 in our Spanish list, against #15,086 for "erosión". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

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

  • Full dictionary entry for "emisión" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erosión" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #264,252 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "emisión" and "erosión" also get mixed up with nearby pairs, the highest-scored neighbour is "eclosión vs erosión". Nearby pair

Confusion rank #264,252 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