castevscoastsWhich spelling fits?

Which to use

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

#12,934
“caste” frequency rank
#17,795
“coasts” frequency rank
30729
confusion score

Side-by-Side Comparison

Feature caste coasts
Definition Any of the hereditary social classes and subclasses of South Asian societies or similar found historically in other cultures. plural of coast

Where the eye mixes caste and coasts

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

5 ch
caste
6 ch
coasts

Visual trap between caste and coasts

A purely visual mix-up. caste (/kɑːst/) and coasts (/koʊsts/) 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 30729, derived from the frequency rank of both members and their visual similarity.

caste is recorded at frequency rank #12,934, classified as anoun, pronounced /kɑːst/. coasts is at rank #17,795, tagged as anoun, pronounced /koʊsts/.

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 30729, this pair ranks #352,073 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caste vs coasts

Shared letters: acst. Private to "caste": e. Private to "coasts": o.

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

Known mistypes of this pair

  • casteacste · caset · casste · castte · catse · ccaste · csate
  • coastscaosts · ccoasts · coassts · coastss · coastts · cosats · ocasts

Frequently Asked Questions

Can "caste" and "coasts" be used interchangeably?
No. They are said differently (/kɑːst/ versus /koʊsts/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "caste" or "coasts"?
"caste" is the more common of the two: it sits at frequency rank #12,934 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.

Useful next steps

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

  • Full dictionary entry for "caste" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "coasts" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #352,073 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "caste" and "coasts" 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 #352,073 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