cryptosporidium

noun

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

"cryptosporidium" is a 15-letter English headword indexed on PlainSpell.

The verdict

“cryptosporidium” is uncommon English (frequency #94,729 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#94,729
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any protozoan of the genus Cryptosporidium, intestinal parasites of humans and other vertebrates that can cause diarrhea and other symptoms in cases of low immunity.

Corpus desk

Index EN-cryptosporidium · cryptosporidium · English

cryptosporidium · rank #94,729 · 0 variants · 0 confusables

  • FREQ-RARE #94,729
  • LEN-MEGA 15 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH cryogenically

Nearest frequency peer: cryogenically (-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.

Long-tail ranks near “cryptosporidium”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “cryptosporidium” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for cryptosporidium
PropertyValue
Headwordcryptosporidium
LanguageEnglish
Part of speechNoun
Letters15
Frequency rank#94,729
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “cryptosporidium” in English

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).cryptosporidiumfalls in this rarity band:

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

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “cryogenically” (#94,728), “cultivable” (#94,732), “crosscheck” (#94,725). Among 5,599 “C” headwords, “cryptosporidium” is #94,729. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cryptosporidium is uncommon English at frequency #94,729 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any protozoan of the genus Cryptosporidium, intestinal parasites of humans and other vertebrates that can cause diarrhea and other symptoms in cases of low immunity.".

Our edit-distance generator produced no likely misspellings for cryptosporidium, a straightforward case of a spelling with little room for common typos. No close-neighbour confusable shows up for this headword in our dataset, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From translingual Cryptosporidium (the genus name), from Latin crypto- (“hidden”) + sporidium (“spore”). From 20th century. The correct English form is cryptosporidium, spelled C-R-Y-P-T-O-S-P-O-R-I-D-I-U-M.

Definition

  1. 1
    Any protozoan of the genus Cryptosporidium, intestinal parasites of humans and other vertebrates that can cause diarrhea and other symptoms in cases of low immunity.

Recorded use

Wiktionary examples

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

  1. Recall the outbreak of cryptosporidia gastroenteritis in Milwaukee in 1994.
  2. In Hungarian studies on the causes of diarrhea in kids younger than one month of age in large commercial dairy goat herds, cryptosporidia were isolated more frequently than rotavirus, coronavirus, adenovirus, or enterotoxigenic E. coli.

Etymology

From translingual Cryptosporidium (the genus name), from Latin crypto- (“hidden”) + sporidium (“spore”). From 20th century.

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 "cryptosporidium"?
"cryptosporidium" is spelled C-R-Y-P-T-O-S-P-O-R-I-D-I-U-M.
What does "cryptosporidium" mean?
As a noun, "cryptosporidium" means: Any protozoan of the genus Cryptosporidium, intestinal parasites of humans and other vertebrates that can cause diarrhea and other symptoms in cases of low immunity.
What is the origin of the word "cryptosporidium"?
From translingual Cryptosporidium (the genus name), from Latin crypto- (“hidden”) + sporidium (“spore”). From 20th century. 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 "cryptosporidium", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 15 letters (nearest by frequency rank).

computerization#94,700anticholinergic#94,524topographically#94,352temperamentally#94,328

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

Source: FrequencyWords open word-frequency list