Which to use
“coals” and “cobalt” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #29,600
- “coals” frequency rank
- #17,796
- “cobalt” frequency rank
- 47396
- confusion score
Side-by-Side Comparison
| Feature | coals | cobalt |
|---|---|---|
| Definition | plural of coal | A chemical element (symbol Co) with an atomic number of 27: a hard, lustrous, silver-gray metal. |
Where the eye mixes coals and cobalt
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. coals runs 5 letters (CVVCC) against cobalt's 6 (CVCVCC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: coals vs cobalt
A purely visual mix-up. coals (/kəʊlz/) and cobalt (/ˈkəʊ.bɒlt/) 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 47396, derived from the frequency rank of both members and their visual similarity.
coals is recorded at frequency rank #29,600, classified as anoun, pronounced /kəʊlz/. cobalt is at rank #17,796, tagged as anoun, pronounced /ˈkəʊ.bɒlt/.
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 47396, this pair ranks #202,847 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of coals vs cobalt
Shared letters: aclo. Private to "coals": s. Private to "cobalt": bt.
"coals" · 5 letters · shape CVVCC · "cobalt" · 6 letters · shape CVCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "coals" for "cobalt" ever safe?
Which is more common, "coals" or "cobalt"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "coals" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cobalt" - compare definitions side by side with the headword page. Word entry
- This pair ranks #202,847 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "coals" and "cobalt" also get mixed up with nearby pairs, the highest-scored neighbour is "coals vs coms". 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 #202,847 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.