spodium /spōˈdi-əm/ (now rare)

1. Powder obtained from various substances by calcination
2. Bone-black

• ritual murders
• rituals
• rituximab
• rituximabs
• ritz
• Ritz
• ritzier
• ritziest
• ritzily
• ritziness
• ritzinesses
• ritzy
• riva
• rivage
• rivages
• rival
• rivaled
• rivaless
• rivalesses
• rival-hating
• rivaling
• rivalise
• rivalised
• rivalises
• rivalising