protoactinium /prō-tō-ak-tinˈi-əm/ (chem)

• coving
• covings
• covinous
• covins
• covin-tree
• covin-trees
• covyne
• covynes
• cow
• cowage
• cowages
• cowal
• cowals
• cowan
• cowans
• coward
• cowarded
• cowardice
• cowardices
• cowarding
• cowardliness
• cowardlinesses
• cowardly
• cowardree
• cowardrees