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

• dance upon nothing
• dancey
• dancier
• danciest
• dancing
• dancing-girl
• dancing-girls
• dancing-master
• dancing-masters
• dancings
• dancy
• D and C
• D and D
• dandelion
• dandelions
• dander
• dandered
• dandering
• danders
• dandiacal
• Dandie Dinmont
• dandier
• dandies
• dandiest
• dandified