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

• Archimedean drill
• Archimedean screw
• Archimedean spiral
• Archimedes' principle
• arching
• archipelagic
• archipelago
• archipelagoes
• archipelagos
• archit.
• architect
• architected
• architecting
• architectonic
• architectonics
• architects
• architectural
• architecturally
• architecture
• architectures
• architrave
• architraved
• architraves
• architype
• architypes