leishmaniasis

/liːʃməˈnaɪəsɪs/

//liːʃməˈnaɪəsɪs// noun

"leishmaniasis" is a 13-letter English headword indexed on PlainSpell.

The verdict

“leishmaniasis” is uncommon English (frequency #76,942 among 2,297 “L” headwords), classed as a noun. The kind of spelling people second-guess.

#76,942
frequency rank, English
2,297
“L” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of several distinct forms of a disease caused by any of the protozoans of the genus Leishmania, transmitted to humans and animals by bloodsucking sandflies.

Corpus desk

Index EN-leishmaniasis · leishmaniasis · English

leishmaniasis · rank #76,942 · 0 variants · 0 confusables

  • FREQ-RARE #76,942
  • LEN-MEGA 13 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,297
  • PHOTO-FINISH legionnaire

Nearest frequency peer: legionnaire (-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 “leishmaniasis”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for leishmaniasis
PropertyValue
Headwordleishmaniasis
LanguageEnglish
Part of speechNoun
IPA/liːʃməˈnaɪəsɪs/
Letters13
Frequency rank#76,942
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “leishmaniasis” in English

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).leishmaniasisfalls 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: “legionnaire” (#76,941), “leftward” (#76,939), “Ledoux” (#76,938). Among 2,297 “L” headwords, “leishmaniasis” is #76,942. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

leishmaniasis is uncommon English at frequency #76,942 among 2,297 “L” headwords, classed as anoun, transcribed /liːʃməˈnaɪəsɪs/. Rarity is why readers land here mid-draft. Gloss: "Any of several distinct forms of a disease caused by any of the protozoans of the genus Leishmania, transmitted to humans and animals by bloodsucking sandflies.".

Our edit-distance generator produced no likely misspellings for leishmaniasis, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Leishmania + -iasis The correct English form is leishmaniasis, spelled L-E-I-S-H-M-A-N-I-A-S-I-S.

Definition

  1. 1
    Any of several distinct forms of a disease caused by any of the protozoans of the genus Leishmania, transmitted to humans and animals by bloodsucking sandflies.

Etymology

Leishmania + -iasis

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 "leishmaniasis"?
"leishmaniasis" is spelled L-E-I-S-H-M-A-N-I-A-S-I-S. The IPA pronunciation is /liːʃməˈnaɪəsɪs/.
What does "leishmaniasis" mean?
As a noun, "leishmaniasis" means: Any of several distinct forms of a disease caused by any of the protozoans of the genus Leishmania, transmitted to humans and animals by bloodsucking sandflies.
How do you pronounce "leishmaniasis"?
The IPA (International Phonetic Alphabet) transcription for "leishmaniasis" is /liːʃməˈnaɪəsɪs/. 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 "leishmaniasis"?
Leishmania + -iasis 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 "leishmaniasis", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 13 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list