molluscum contagiosum

noun

"molluscum-contagiosum" is a 20-letter English headword indexed on PlainSpell.

The verdict

“molluscum contagiosum” is outside the top-ranked English vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency English
21
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A viral infection of the skin or (occasionally) mucous membranes, caused by Molluscum contagiosum virus (MCV), a DNA poxvirus.

Key facts for molluscum contagiosum
PropertyValue
Headwordmolluscum contagiosum
LanguageEnglish
Part of speechNoun
Letters21
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “molluscum contagiosum” sits in English frequency

molluscum contagiosum falls outside the top-100,000 ranked English words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The English entry for molluscum contagiosum is 21 letters long, classified as a noun. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "A viral infection of the skin or (occasionally) mucous membranes, caused by Molluscum contagiosum virus (MCV), a DNA poxvirus.".

No generated misspelling entries exist for molluscum contagiosum in our index, a straightforward case of a spelling with little room for common typos. It is not paired with a close-neighbour confusable in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From Latin inflected forms of molluscus (“soft”), + contagiosus (“contagious”) (from contagio (“contact”)). The correct English form is molluscum contagiosum, spelled M-O-L-L-U-S-C-U-M- -C-O-N-T-A-G-I-O-S-U-M.

Definition

  1. 1
    A viral infection of the skin or (occasionally) mucous membranes, caused by Molluscum contagiosum virus (MCV), a DNA poxvirus.

Etymology

From Latin inflected forms of molluscus (“soft”), + contagiosus (“contagious”) (from contagio (“contact”)).

Synonyms

MCwater wart

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). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "molluscum contagiosum"?
"molluscum contagiosum" is spelled M-O-L-L-U-S-C-U-M- -C-O-N-T-A-G-I-O-S-U-M.
What does "molluscum contagiosum" mean?
As a noun, "molluscum contagiosum" means: A viral infection of the skin or (occasionally) mucous membranes, caused by Molluscum contagiosum virus (MCV), a DNA poxvirus.
What is the origin of the word "molluscum contagiosum"?
From Latin inflected forms of molluscus (“soft”), + contagiosus (“contagious”) (from contagio (“contact”)). 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.

Using “molluscum contagiosum”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is M-O-L-L-U-S-C-U-M- -C-O-N-T-A-G-I-O-S-U-M - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list