metronymic /met-rə-nimˈik/ or matronymic /mat-/

1. Derived from the name of one's mother or other female ancestor
2. Indicating the mother
3. Using such a system of naming

A name so derived (cf patronymic)

• rulings
• rullion
• rullions
• rullock
• ruly
• rum
• rumal
• rumals
• Ruman
• Rumanian
• Rumansch
• rumba
• rum baba
• rum babas
• rumbaed
• rumbaing
• rumbas
• rumbelow
• rumbelows
• rumble
• rumble area
• rumbled
• rumbledethump
• rumbledethumps
• rumblegumption