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

• astute
• astutely
• astuteness
• astutenesses
• astuter
• astutest
• astylar
• asudden
• asunder
• as usual
• ASW
• aswarm
• as was
• asway
• a sweet tooth
• as well
• as well as
• as who should say
• as why
• aswim
• aswing
• aswirl
• aswoon
• as yet
• arris tiles