rhizo-
rhizobia
rhizobial
rhizobium
rhizocarp
rhizocarpous
rhizocephalan
rhizogenesis
rhizoid
rhizome
rhizomorph
rhizomorphous
rhizopod
rhizopodan
rhizopodium
rhizosphere
rhizotaxis
rho
rhodamine
rhodes-grass
rhodium
rhododendron
rhodonite
rhomb
rhombi
rhombic
rhombohedron
rhomboid
rhomboidal
rhombus