callosity

noun

"callosity" is a 9-letter English headword indexed on PlainSpell.

The verdict

“callosity” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A callus.

Corpus desk

Index EN-callosity · callosity · English

callosity · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for callosity
PropertyValue
Headwordcallosity
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “callosity” in English

callosityranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

callosity is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

The misspelling generator found no plausible variants for callosity, which points to an orthography that plays by predictable English rules. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Middle English callosite, collositee, calosite, from Anglo-Norman calosité (compare Old French chalosité), from Latin callōsitās, equivalent to callous + -ity. The correct English form is callosity, spelled C-A-L-L-O-S-I-T-Y.

Definition

  1. 1
    A callus.
  2. 2
    A callous demeanour; insensitivity or hardheartedness.

Recorded use

Wiktionary example

These source excerpts show how callosity appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. The repetition of religious duties, without the feeling or spirit of religion, produces an incurable callosity of heart.

Etymology

From Middle English callosite, collositee, calosite, from Anglo-Norman calosité (compare Old French chalosité), from Latin callōsitās, equivalent to callous + -ity.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "callosity"?
"callosity" is spelled C-A-L-L-O-S-I-T-Y.
What does "callosity" mean?
As a noun, "callosity" means: A callus.
What is the origin of the word "callosity"?
From Middle English callosite, collositee, calosite, from Anglo-Norman calosité (compare Old French chalosité), from Latin callōsitās, equivalent to callous + -ity. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

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

Source: FrequencyWords open word-frequency list