silphium /silˈfi-əm/

1. A plant (perh the umbelliferous Ferula tingitana) imported from Cyrenaica by the Greeks for use as a food and in medicine (historical)
2. (cap) a genus of American composites, compass plants

• insularly
• insulas
• insulate
• insulated
• insulates
• insulating
• insulating board
• insulating boards
• insulating tape
• insulating tapes
• insulation
• insulations
• insulator
• insulators
• insulin
• insulinase
• insulinases
• insulin reaction
• insulins
• insulin shock
• insulin shocks
• insulse
• insulsities
• insulsity
• insult