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

• poriferal
• poriferan
• poriferans
• poriferous
• porifers
• poriness
• porinesses
• poring
• porism
• porismatic
• porismatical
• porisms
• poristic
• poristical
• pork
• pork barrel
• pork barrels
• pork-butcher
• pork-butchers
• pork-chop
• pork-chops
• porker
• porkers
• porkier
• porkies