castevscostTell them apart

Which to use

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

#16,315
“caste” frequency rank
#14,234
“cost” frequency rank
30549
confusion score

Side-by-Side Comparison

Feature caste cost
Definition Chacune des tribus ou classes qui partagent la société de certains pays comme l’Inde ou l’ancienne Égypte. Coût.

Where the eye mixes caste and cost

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
caste
4 ch
cost

Visual trap between caste and cost

A purely visual mix-up. caste (\kast\) and cost (\kɒst\) 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 30549, derived from the frequency rank of both members and their visual similarity.

caste is recorded at frequency rank #16,315, classified as anoun, pronounced \kast\. cost is at rank #14,234, tagged as anoun, pronounced \kɒst\.

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 30549, this pair ranks #309,553 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caste vs cost

Shared letters: cst. Private to "caste": ae. Private to "cost": o.

"caste" · 5 letters · shape CVCCV  ·  "cost" · 4 letters · shape CVCC

Known mistypes of this pair

  • casteacste · caset · casste · castte · catse · ccaste · csate
  • costccost · cosst · costt · cots · csot · ocst

Frequently Asked Questions

Do "caste" and "cost" mean the same thing in a sentence?
No. They are said differently (\kast\ versus \kɒst\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "caste" or "cost"?
"cost" is the more common of the two: it sits at frequency rank #14,234 in our French list, against #16,315 for "caste". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "caste" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cost" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #309,553 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "caste" and "cost" also get mixed up with nearby pairs, the highest-scored neighbour is "caste vs casus". 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 #309,553 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list