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)

• preservation
• preservationist
• preservationists
• preservation order
• preservation orders
• perniciously
• perniciousness
• perniciousnesses
• pernicketiness
• pernicketinesses
• pernickety
• pernoctate
• pernoctated
• pernoctates
• pernoctating
• pernoctation
• pernoctations
• Pernod
• perns
• perogi
• perogies
• perone
• peroneal
• perones
• peroneus