coalvscostTell them apart

Which to use

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

#43,849
“coal” frequency rank
#14,234
“cost” frequency rank
58083
confusion score

Side-by-Side Comparison

Feature coal cost
Definition Braise (hot coals). Coût.

Where the eye mixes coal and cost

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. coal (CVVC) and cost (CVCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
coal
4 ch
cost

Look-alike desk: coal vs cost

A purely visual mix-up. coal (\kəʊl\) 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 share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 58083, derived from the frequency rank of both members and their visual similarity.

coal is recorded at frequency rank #43,849, classified as anoun, pronounced \kəʊl\. 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 58083, this pair ranks #111,144 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of coal vs cost

Shared letters: co. Private to "coal": al. Private to "cost": st.

"coal" · 4 letters · shape CVVC  ·  "cost" · 4 letters · shape CVCC

Known mistypes of this pair

  • coal ← caol · ccoal · coall · ocal
  • cost ← ccost · cosst · costt · cots · csot · ocst

Frequently Asked Questions

Do "coal" and "cost" mean the same thing in a sentence?
No. They are said differently (\kəʊl\ versus \kɒst\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "coal" vs "cost" - which ranks higher?
"cost" is the more common of the two: it sits at frequency rank #14,234 in our French list, against #43,849 for "coal". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "coal" 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 #111,144 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "coal" and "cost" also get mixed up with nearby pairs, the highest-scored neighbour is "coal vs coon". 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 #111,144 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