calcareous

/kælˈkɛəɹi.əs/

//kælˈkɛəɹi.əs// adj

By · According to Wiktionary data (CC BY-SA) ·

"calcareous" is a 10-letter English headword indexed on PlainSpell.

The verdict

“calcareous” has 14 generated spelling variants in the English index at frequency #47,516. The variants make it a useful spelling check.

#47,516
frequency rank, English
5,599
“C” headwords
14
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Resembling or containing calcium carbonate or limestone; chalky.

Corpus desk

Index EN-calcareous · calcareous · English

calcareous · rank #47,516 · 14 variants · 0 confusables

  • FREQ-MID #47,516
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 14 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH cair

Nearest frequency peer: cair (-1 rank slots)

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.

Rank peers near misspelling magnet “calcareous”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “calcareous” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for calcareous
PropertyValue
Headwordcalcareous
LanguageEnglish
Part of speechAdjective
IPA/kælˈkɛəɹi.əs/
Letters10
Frequency rank#47,516
Misspellings tracked14
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “calcareous”

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).calcareouslands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “cair” (#47,515), “callus” (#47,517), “Caesarean” (#47,514). Among 5,599 “C” headwords, “calcareous” is #47,516. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 14 spelling variants around calcareous (IPA /kælˈkɛəɹi.əs/), anadjective. Corpus frequency is #47,516 among 5,599 “C” headwords. Wiktionary lists 2 senses, so context still picks the gloss.

Our generated misspelling index lists 14 likely wrong-spelling variants for calcareous, with forms such as "aclcareous", "caclareous", and "calacreous". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: Learned borrowing from Latin calcārius (“of or pertaining to lime”), derived from calx (“lime”). Similar to calcium. The correct English form is calcareous, spelled C-A-L-C-A-R-E-O-U-S.

Definition

  1. 1
    Resembling or containing calcium carbonate or limestone; chalky.
  2. 2
    Growing in a chalky habitat.

Recorded use

Wiktionary examples

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

  1. The traveller from the coast, who, after plodding northward for a score of miles over calcareous downs and corn-lands, suddenly reaches the verge of one of these escarpments[.]
  2. Cellariiform, the orifices nearly confined to the convex frontal and lateral surfaces; the basal surface with a strong median calcareous keel, almost concealed by a flat membranous epitheca, which covers the whole zoarium […]

Etymology

Learned borrowing from Latin calcārius (“of or pertaining to lime”), derived from calx (“lime”). Similar to calcium.

This word in other languages

calcáreo(Español)calcaire(Français)

Common misspellings

Also misspelled as:

  • aclcareous
  • caclareous
  • calacreous
  • calcaerous
  • calcareosu
  • calcareouss
  • calcareuos
  • calcaroeus
  • calcarreous
  • calccareous
  • calcraeous
  • callcareous
  • ccalcareous
  • clacareous

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of calcareous - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

aclcareous2caclareous2calacreous2calcaerous2calcareosu2calcareouss1calcareuos2calcaroeus2
Edit distance from "calcareous"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "calcareous"?
"calcareous" is spelled C-A-L-C-A-R-E-O-U-S. The IPA pronunciation is /kælˈkɛəɹi.əs/.
What does "calcareous" mean?
As an adjective, "calcareous" means: Resembling or containing calcium carbonate or limestone; chalky.
What are common misspellings of "calcareous"?
Common misspellings include "aclcareous", "caclareous", "calacreous", "calcaerous", "calcareosu". The correct spelling is "calcareous".
How do you pronounce "calcareous"?
The IPA (International Phonetic Alphabet) transcription for "calcareous" is /kælˈkɛəɹi.əs/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "calcareous"?
Learned borrowing from Latin calcārius (“of or pertaining to lime”), derived from calx (“lime”). Similar to calcium. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "calcareous", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 10 letters (nearest by frequency rank).

cartoonish#47,524brownstone#47,506confidante#47,542consumable#47,544

Similar misspelling depth

Headwords with a similar count of attested misspellings (14 here; floor ≥5).

bronchial14 variantsbloodshot14 variantsamateurish14 variantsacoustical14 variants

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

Source: FrequencyWords open word-frequency list