interrex /inˈtər-reks/

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

• fly at
• flyaway
• flyback
• flybacks
• flybait
• flybaits
• fly ball
• fly balls
• flybane
• flybanes
• flybelt
• flybelts
• fly-bitten
• flyblow
• flyblown
• flyblows
• flyboat
• flyboats
• flybook
• flybooks
• flybridge
• flybridges
• fly-by
• fly-by-night
• fly-by-nights