costvscostasTell them apart

Which to use

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

#21,956
“cost” frequency rank
#5,483
“costas” frequency rank
27439
confusion score

Side-by-Side Comparison

Feature cost costas
Definition Costo. Conjunto de gastos de un proceso legal o judicial.

Where the eye mixes cost and costas

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

4 ch
cost
6 ch
costas

Why the eye confuses cost with costas

A purely visual mix-up. cost ([ˈkɔst]) and costas ([ˈkost̪as]) 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) - “cost” sits inside “costas”. Our composite confusion score for this pair is 27439, derived from the frequency rank of both members and their visual similarity.

cost is recorded at frequency rank #21,956, classified as anoun, pronounced [ˈkɔst]. costas is at rank #5,483, tagged as anoun, pronounced [ˈkost̪as].

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 27439, this pair ranks #226,828 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cost vs costas

Shared letters: cost. Private to "cost": -. Private to "costas": a.

"cost" · 4 letters · shape CVCC  ·  "costas" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • costccost · cosst · costt · cots · csot · ocst
  • costasccostas · cosats · cosstas · costass · costsa · costtas · cotsas · csotas

Frequently Asked Questions

Do "cost" and "costas" mean the same thing in a sentence?
No. They are said differently ([ˈkɔst] versus [ˈkost̪as]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cost" or "costas"?
"costas" is the more common of the two: it sits at frequency rank #5,483 in our Spanish list, against #21,956 for "cost". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "cost" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "costas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #226,828 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "cost" and "costas" also get mixed up with nearby pairs, the highest-scored neighbour is "cost vs count". 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 #226,828 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