amenorrhoea or (esp N American) amenorrhea /a- or ā-men-ə-rēˈə/

Failure or absence of menstruation

• ogdoad
• ogdoads
• ogee
• ogee'd
• ogeed
• ogees
• Ogen melon
• oggin
• oggins
• ogham
• oghamic
• oghams
• ogival
• ogive
• ogives
• ogle
• ogled
• ogler
• oglers
• ogles
• ogling
• oglings
• ogmic
• Ogpu
• O grade