coalvscobaltWhat's the difference?

Which to use

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

#43,849
“coal” frequency rank
#22,520
“cobalt” frequency rank
66369
confusion score

Side-by-Side Comparison

Feature coal cobalt
Definition Braise (hot coals). Élément chimique de symbole chimique Co et de numéro atomique 27.

Where the spellings diverge

Shared letters are muted; the letters that actually set coal and cobalt apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.

4 ch
coal
6 ch
cobalt

Spelling & Dictionary Insight

A purely visual mix-up. coal (\kəʊl\) and cobalt (\kɔ.balt\) 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 2 letter(s) in length. Our composite confusion score for this pair is 66369, 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\. cobalt is at rank #22,520, tagged as anoun, pronounced \kɔ.balt\.

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 66369, this pair ranks #68,132 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of coal vs cobalt

Shared letters: aclo. Private to "coal": -. Private to "cobalt": bt.

"coal" · 4 letters · shape CVVC  ·  "cobalt" · 6 letters · shape CVCVCC

Known mistypes of this pair

  • coalcaol · ccoal · coall · ocal
  • cobaltcboalt · ccobalt · coablt · coballt · cobaltt · cobatl · cobbalt · coblat

Frequency comparison

coal#43,849
cobalt#22,520

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "coal" and "cobalt" be used interchangeably?
No. They are said differently (\kəʊl\ versus \kɔ.balt\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "coal" or "cobalt"?
"cobalt" is the more common of the two: it sits at frequency rank #22,520 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.

Remembering coal vs cobalt

The fastest way to pick the right one every time.

  • Read both glosses above and match the meaning you intend, only context separates this pair.
  • See each word in full, definition, IPA, etymology and its other confusables. Full “coal” entry
  • Browse more pairs most likely to be confused. Most confusable

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

Source: FrequencyWords open word-frequency list