killas /kilˈəs/ (geology)

Clay-slate

• osteopathy
• osteopenia
• osteopetroses
• osteopetrosis
• osteophyte
• osteophytes
• osteophytic
• osteoplastic
• osteoplasties
• osteoplasty
• osteoporoses
• osteoporosis
• osteoporotic
• osteosarcoma
• osteosarcomas
• osteosarcomata
• osteotome
• osteotomes
• osteotomies
• osteotomy
• ostia
• Ostiak
• ostial
• ostiaries
• ostiary