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

• geosynclinal
• geosyncline
• geosynclines
• geotactic
• geotactical
• geotactically
• geotag
• geotagged
• geotagging
• geotags
• geotaxes
• geotaxis
• geotechnic
• geotechnical
• geotechnics
• geotechnological
• geotechnologies
• geotechnology
• geotectonic
• geotectonics
• geothermal
• geothermal energy
• geothermal gradient
• geothermal gradients
• geothermic