cobaltvscoltConfusable pair

Which to use

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

#17,796
“cobalt” frequency rank
#13,486
“colt” frequency rank
31282
confusion score

Side-by-Side Comparison

Feature cobalt colt
Definition A chemical element (symbol Co) with an atomic number of 27: a hard, lustrous, silver-gray metal. A young male horse.

Where the eye mixes cobalt and colt

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. cobalt runs 6 letters (CVCVCC) against colt's 4 (CVCC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
cobalt
4 ch
colt

Visual trap between cobalt and colt

A purely visual mix-up. cobalt (/ˈkəʊ.bɒlt/) and colt (/kəʊlt/) 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 31282, derived from the frequency rank of both members and their visual similarity.

cobalt is recorded at frequency rank #17,796, classified as anoun, pronounced /ˈkəʊ.bɒlt/. colt is at rank #13,486, tagged as anoun, pronounced /kəʊlt/.

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 31282, this pair ranks #347,434 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cobalt vs colt

Shared letters: clot. Private to "cobalt": ab. Private to "colt": -.

"cobalt" · 6 letters · shape CVCVCC  ·  "colt" · 4 letters · shape CVCC

Known mistypes of this pair

  • cobalt ← cboalt · ccobalt · coablt · coballt · cobaltt · cobatl · cobbalt · coblat
  • colt ← ccolt · collt · coltt · cotl · oclt

Frequently Asked Questions

Is swapping "cobalt" for "colt" ever safe?
No. They are said differently (/ˈkəʊ.bɒlt/ versus /kəʊlt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "cobalt" or "colt"?
"colt" is the more common of the two: it sits at frequency rank #13,486 in our English list, against #17,796 for "cobalt". 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 "cobalt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "colt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #347,434 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "cobalt" and "colt" also get mixed up with nearby pairs, the highest-scored neighbour is "colt vs Croat". 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 #347,434 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