herpes simplex

noun

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

The verdict

“herpes simplex” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency English
14
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A viral disease caused by Human herpesvirus 1 or Human herpesvirus 2 in genus Simplexvirus.

Corpus desk

Index EN-herpes-simplex · herpes simplex · English

herpes simplex · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 14 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "H" thin
  • PHOTO-UNK Peer pending

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.

Key facts for herpes simplex
PropertyValue
Headwordherpes simplex
LanguageEnglish
Part of speechNoun
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “herpes simplex” in English

herpes simplexfalls 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.

Rare enough to double-check

herpes simplex is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A viral disease caused by Human herpesvirus 1 or Human herpesvirus 2 in genus Simplexvirus.".

No generated misspelling entries exist for herpes simplex in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Our source data has no etymology on file for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct English form is herpes simplex, spelled H-E-R-P-E-S- -S-I-M-P-L-E-X.

Definition

  1. 1
    A viral disease caused by Human herpesvirus 1 or Human herpesvirus 2 in genus Simplexvirus.

Recorded use

Wiktionary example

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

  1. That's the whole point of Ashearh. It's both. As an example, look at herpes simplex.

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 "herpes simplex"?
"herpes simplex" is spelled H-E-R-P-E-S- -S-I-M-P-L-E-X.
What does "herpes simplex" mean?
As a noun, "herpes simplex" means: A viral disease caused by Human herpesvirus 1 or Human herpesvirus 2 in genus Simplexvirus.
What language does "herpes simplex" come from?
"herpes simplex" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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.

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

Source: FrequencyWords open word-frequency list