schistosomiasis

noun

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

The verdict

“schistosomiasis” is uncommon English (frequency #85,752 among 6,566 “S” headwords), classed as a noun. The kind of spelling people second-guess.

#85,752
frequency rank, English
6,566
“S” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of various diseases of humans caused by parasitic blood flukes of the genus Schistosoma.

Corpus desk

Index EN-schistosomiasis · schistosomiasis · English

schistosomiasis · rank #85,752 · 0 variants · 0 confusables

  • FREQ-RARE #85,752
  • LEN-MEGA 15 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 6,566
  • PHOTO-FINISH schismatic

Nearest frequency peer: schismatic (-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 “schistosomiasis”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for schistosomiasis
PropertyValue
Headwordschistosomiasis
LanguageEnglish
Part of speechNoun
Letters15
Frequency rank#85,752
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “schistosomiasis” in English

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right).schistosomiasisfalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “schismatic” (#85,751), “scientism” (#85,754), “Scheffer” (#85,749). Among 6,566 “S” headwords, “schistosomiasis” is #85,752. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

schistosomiasis is uncommon English at frequency #85,752 among 6,566 “S” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Any of various diseases of humans caused by parasitic blood flukes of the genus Schistosoma.".

schistosomiasis doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From schistosome + -iasis. From scientific name Schistosoma + Ancient Greek -σις (-sis, nouns of action). The correct English form is schistosomiasis, spelled S-C-H-I-S-T-O-S-O-M-I-A-S-I-S.

Definition

  1. 1
    Any of various diseases of humans caused by parasitic blood flukes of the genus Schistosoma.

Recorded use

Wiktionary example

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

  1. Investigation of Egyptian mummies has revealed calcified eggs in liver and kidney tissues, proving the presence of schistosomiasis in ancient Egypt.

Etymology

From schistosome + -iasis. From scientific name Schistosoma + Ancient Greek -σις (-sis, nouns of action).

This word in other languages

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 "schistosomiasis"?
"schistosomiasis" is spelled S-C-H-I-S-T-O-S-O-M-I-A-S-I-S.
What does "schistosomiasis" mean?
As a noun, "schistosomiasis" means: Any of various diseases of humans caused by parasitic blood flukes of the genus Schistosoma.
What is the origin of the word "schistosomiasis"?
From schistosome + -iasis. From scientific name Schistosoma + Ancient Greek -σις (-sis, nouns of action). 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 "schistosomiasis", not the corpus desk frequency band.

Same letter count

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

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

Source: FrequencyWords open word-frequency list