coastsvscostaWhich spelling fits?

Which to use

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

#17,795
“coasts” frequency rank
#5,589
“costa” frequency rank
23384
confusion score

Side-by-Side Comparison

Feature coasts costa
Definition plural of coast Synonym of rib.

Where the eye mixes coasts and costa

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

6 ch
coasts
5 ch
costa

Visual trap between coasts and costa

A purely visual mix-up. coasts (/koʊsts/) and costa (/ˈkɒ.stə/) 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 1 letter(s) in length. Our composite confusion score for this pair is 23384, derived from the frequency rank of both members and their visual similarity.

coasts is recorded at frequency rank #17,795, classified as anoun, pronounced /koʊsts/. costa is at rank #5,589, tagged as anoun, pronounced /ˈkɒ.stə/.

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 23384, this pair ranks #409,672 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of coasts vs costa

Shared letters: acost. Private to "coasts": -. Private to "costa": -.

"coasts" · 6 letters · shape CVVCCC  ·  "costa" · 5 letters · shape CVCCV

Known mistypes of this pair

  • coastscaosts · ccoasts · coassts · coastss · coastts · cosats · ocasts
  • costaccosta · cossta · costta · cotsa · csota · ocsta

Frequently Asked Questions

Can "coasts" and "costa" be used interchangeably?
No. They are said differently (/koʊsts/ versus /ˈkɒ.stə/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "coasts" vs "costa" - which ranks higher?
"costa" is the more common of the two: it sits at frequency rank #5,589 in our English list, against #17,795 for "coasts". 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 "coasts" and "costa" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "coasts" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "costa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #409,672 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "coasts" and "costa" also get mixed up with nearby pairs, the highest-scored neighbour is "coasts vs Coutts". 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 #409,672 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list