mullein

/ˈmʌlɪn/

//ˈmʌlɪn// noun

"mullein" is a 7-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Any of a few hundred species of European and Asian plants, of the genus Verbascum, especially that majority that have yellow flowers.

Corpus desk

Index EN-mullein · mullein · English

mullein · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" 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 mullein
PropertyValue
Headwordmullein
LanguageEnglish
Part of speechNoun
IPA/ˈmʌlɪn/
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “mullein” in English

mulleinfalls 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

mullein is uncommon English outside the top frequency list, classed as anoun, transcribed /ˈmʌlɪn/. Rarity is why readers land here mid-draft. Gloss: "Any of a few hundred species of European and Asian plants, of the genus Verbascum, especially that majority that have yellow flowers.".

No misspelling variants are generated for mullein in our index, suggesting the orthography follows predictable English patterns. This entry stands alone in our confusable dataset, which tends to mean the word is visually distinctive enough to stand on its own.

Etymologically, the entry records: From Middle English moleyne, from Anglo-Norman moleine, which is either a Celtic borrowing and derived from Proto-Celtic *melinos (“yellow”) from *meli (“honey”) – an adjective found in Breton melen (“yellow”) and Welsh melyn (“yellow”) – or from mol (“soft… The correct English form is mullein, spelled M-U-L-L-E-I-N.

Definition

  1. 1
    Any of a few hundred species of European and Asian plants, of the genus Verbascum, especially that majority that have yellow flowers.

Recorded use

Wiktionary examples

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

  1. There be foure ſortes of Mulleyne, as [Pedanius] Dioſcorides writeth: wherof yͤ two firſt are white Mulleyne, and of them one is Male, and the other female: The third is blacke Mulleyne: The fourth is wilde Mulleyne. […] The white male Mulleyn (or rather Wolleyn) hath […] the whole top with his pleaſant yellow floures ſheweth like to a waxe Candell or tap…
  2. As we all know, witches ride through the air on a broom, but sometimes their means of locomotion was a bulrush, a branch of thorn, mullein stalks, cornstalk, or ragweed, called fairies' horse in Ireland.

Etymology

From Middle English moleyne, from Anglo-Norman moleine, which is either a Celtic borrowing and derived from Proto-Celtic *melinos (“yellow”) from *meli (“honey”) – an adjective found in Breton melen (“yellow”) and Welsh melyn (“yellow”) – or from mol (“soft”), from Latin mollis (“soft”), referencing the plant's fluffy, downy leaves, also apparent in synonyms such as feltwort, flannel leaf, and velvet plant.

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 "mullein"?
"mullein" is spelled M-U-L-L-E-I-N. The IPA pronunciation is /ˈmʌlɪn/.
What does "mullein" mean?
As a noun, "mullein" means: Any of a few hundred species of European and Asian plants, of the genus Verbascum, especially that majority that have yellow flowers.
How do you pronounce "mullein"?
The IPA (International Phonetic Alphabet) transcription for "mullein" is /ˈmʌlɪn/. 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 "mullein"?
From Middle English moleyne, from Anglo-Norman moleine, which is either a Celtic borrowing and derived from Proto-Celtic *melinos (“yellow”) from *meli (“honey”) – an adjective found in Breton melen (“yellow”) and Welsh melyn (“yellow”) – or from ... 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.

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

Source: FrequencyWords open word-frequency list