underpinˈ transitive verb

1. To support by building underneath, or to prop up (also figurative)
2. To corroborate

• geochemical
• geochemically
• geochemist
• geochemistries
• geochemistry
• geochemists
• geochronological
• geochronologies
• geochronologist
• geochronologists
• geochronology
• geocode
• geocoded
• geocodes
• geocoding
• geodata
• geode
• geodemographics
• geodes
• geodesic
• geodesical
• geodesic dome
• geodesic domes
• geodesic line
• geodesic lines