costavscosturaConfusable pair

Which to use

“costa” and “costura” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#885
“costa” frequency rank
#11,842
“costura” frequency rank
12727
confusion score

Side-by-Side Comparison

Feature costa costura
Definition interface entre o mar e a terra ato ou efeito de coser

Where the eye mixes costa and costura

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. costa runs 5 letters (CVCCV) against costura's 7 (CVCCVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
costa
7 ch
costura

Why the eye confuses costa with costura

A purely visual mix-up. costa (/ˈkɔʃ.tɐ/) and costura (/kuʃ.ˈtu.ɾɐ/) 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 letter(s) in length. Our composite confusion score for this pair is 12727, derived from the frequency rank of both members and their visual similarity.

costa is recorded at frequency rank #885, classified as anoun, pronounced /ˈkɔʃ.tɐ/. costura is at rank #11,842, tagged as anoun, pronounced /kuʃ.ˈtu.ɾɐ/.

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 12727, this pair ranks #59,781 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of costa vs costura

Shared letters: acost. Private to "costa": -. Private to "costura": ru.

"costa" · 5 letters · shape CVCCV  ·  "costura" · 7 letters · shape CVCCVCV

Known mistypes of this pair

  • costa ← ccosta · cosat · cossta · costta · cotsa · csota · ocsta
  • costura ← ccostura · cosstura · costrua · costtura · costuar · costurra · cosutra · cotsura

Frequently Asked Questions

Is swapping "costa" for "costura" ever safe?
No. They are said differently (/ˈkɔʃ.tɐ/ versus /kuʃ.ˈtu.ɾɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "costa" or "costura"?
"costa" is the more common of the two: it sits at frequency rank #885 in our Portuguese list, against #11,842 for "costura". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

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

  • Full dictionary entry for "costa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "costura" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #59,781 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "costa" and "costura" also get mixed up with nearby pairs, the highest-scored neighbour is "conca vs costa". 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 #59,781 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list