milfoil /milˈfoil/

1. Yarrow, or any other species of Achillea
2. Extended to other plants with finely divided leaves, such as water milfoil (genus Myriophyllum, family Haloragidaceae)

• soothering
• soothers
• soothes
• soothest
• soothfast
• soothfastly
• soothfastness
• soothfastnesses
• soothful
• soothing
• soothingly
• soothings
• soothlich
• soothly
• sooths
• soothsaid
• soothsay
• soothsayer
• soothsayers
• soothsaying
• soothsayings
• soothsays
• sootier
• sootiest
• sootily