estañovsesteroTell them apart

Which to use

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

#25,629
“estaño” frequency rank
#11,967
“estero” frequency rank
37596
confusion score

Side-by-Side Comparison

Feature estaño estero
Definition Elemento químico metálico, cuyo número atómico es el 50 y que está situado en el grupo 14 de la tabla periódica de los elementos, con el símbolo Sn. Desembocadura de un río.

Where the eye mixes estaño and estero

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
estaño
6 ch
estero

Visual trap between estaño and estero

A purely visual mix-up. estaño ([esˈt̪aɲo]) and estero ([esˈt̪eɾo]) 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 37596, derived from the frequency rank of both members and their visual similarity.

estaño is recorded at frequency rank #25,629, classified as anoun, pronounced [esˈt̪aɲo]. estero is at rank #11,967, tagged as anoun, pronounced [esˈt̪eɾo].

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 37596, this pair ranks #174,467 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of estaño vs estero

Shared letters: eost. Private to "estaño": . Private to "estero": r.

"estaño" · 6 letters · shape VCCVCV  ·  "estero" · 6 letters · shape VCCVCV

Known mistypes of this pair

  • esteroesetro · esstero · esteor · esterro · estreo · esttero · etsero · setero

Frequently Asked Questions

Is swapping "estaño" for "estero" ever safe?
No. They are said differently ([esˈt̪aɲo] versus [esˈt̪eɾo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "estaño" or "estero"?
"estero" is the more common of the two: it sits at frequency rank #11,967 in our Spanish list, against #25,629 for "estaño". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "estaño" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "estero" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #174,467 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "estaño" and "estero" also get mixed up with nearby pairs, the highest-scored neighbour is "estanca vs estaño". 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 #174,467 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