interrex /inˈtər-reks/

1. Someone who rules during an interregnum
2. A regent

• copse
• copsed
• copses
• copsewood
• copsewoods
• copshop
• copshops
• copsier
• copsiest
• copsing
• copsy
• Copt
• copter
• copters
• Coptic
• copula
• copulae
• copular
• copulas
• copulate
• copulated
• copulates
• copulating
• copulation
• copulations