milfoil
"milfoil" is a 7-letter English headword indexed on PlainSpell.
The verdict
“milfoil” 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 May 6, 2026) - Common yarrow, Achillea millefolium.
| Property | Value |
|---|---|
| Headword | milfoil |
| Language | English |
| Part of speech | Noun |
| Letters | 7 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “milfoil” sits in English frequency
Rare enough to double-check
milfoil is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
No misspelling variants are generated for milfoil in our index, a sign its spelling follows regular English conventions. Our dataset records no confusable match here, since nothing in our dataset looks or sounds close enough to cause mix-ups.
Etymologically, the entry records: From Old French milfoil (modern French mille-feuille), from Latin millefolium, from mīlle + folium. Doublet of mille-feuille. The correct English form is milfoil, spelled M-I-L-F-O-I-L.
Definition
- 1Common yarrow, Achillea millefolium.
- 2Any of several similar pungent Eurasian herbs, of the genus Achillea
- 3Any plants of the genus Myriophyllum; water milfoil.
Etymology
From Old French milfoil (modern French mille-feuille), from Latin millefolium, from mīlle + folium. Doublet of mille-feuille.
Synonyms
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
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Using “milfoil”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is M-I-L-F-O-I-L - 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.