didrachma /dī-drakˈmə/ or didrachm /dīˈdram/

A double drachma

• Ophiuroidea
• ophiuroids
• ophthalm-
• ophthalmia
• ophthalmias
• ophthalmic
• ophthalmic optician
• ophthalmist
• ophthalmists
• ophthalmitis
• ophthalmitises
• ophthalmo-
• ophthalmological
• ophthalmologies
• ophthalmologist
• ophthalmologists
• ophthalmology
• ophthalmometer
• ophthalmometers
• ophthalmometry
• ophthalmophobia
• ophthalmoplegia
• ophthalmoplegic
• ophthalmoscope
• ophthalmoscopes