callusvscaucusWhich spelling fits?

Which to use

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

#47,517
“callus” frequency rank
#13,295
“caucus” frequency rank
60812
confusion score

Side-by-Side Comparison

Feature callus caucus
Definition A hardened area of the skin (especially on the foot or hand) caused by repeated friction, wear or use. A usually preliminary meeting of party members to nominate candidates for public office or delegates to be sent to a nominating convention, or to confer regarding policy.

Where the eye mixes callus and caucus

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
callus
6 ch
caucus

Look-alike desk: callus vs caucus

A purely visual mix-up. callus (/ˈkæləs/) and caucus (/ˈkɔː.kəs/) 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 60812, derived from the frequency rank of both members and their visual similarity.

callus is recorded at frequency rank #47,517, classified as anoun, pronounced /ˈkæləs/. caucus is at rank #13,295, tagged as anoun, pronounced /ˈkɔː.kəs/.

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 60812, this pair ranks #97,930 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of callus vs caucus

Shared letters: acsu. Private to "callus": l. Private to "caucus": -.

"callus" · 6 letters · shape CVCCVC  ·  "caucus" · 6 letters · shape CVVCVC

Known mistypes of this pair

  • callusacllus · callsu · calluss · caluls · ccallus · clalus
  • caucusacucus · cacuus · cauccus · caucsu · caucuss · cauucs · ccaucus · cuacus

Frequently Asked Questions

Can "callus" and "caucus" be used interchangeably?
No. They are said differently (/ˈkæləs/ versus /ˈkɔː.kəs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "callus" or "caucus"?
"caucus" is the more common of the two: it sits at frequency rank #13,295 in our English list, against #47,517 for "callus". 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 "callus" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caucus" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #97,930 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "callus" and "caucus" also get mixed up with nearby pairs, the highest-scored neighbour is "callus vs Cally". 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 #97,930 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