interregnum /in-tər-regˈnəm/

1. The time between two reigns
2. The time between the cessation of one and the establishment of another government
3. Any breach of continuity in order, etc

• Bolshevist
• Bolshevists
• Bolshevize
• Bolshevized
• Bolshevizes
• Bolshevizing
• bolshie
• bolshier
• bolshiest
• bolshy
• bolster
• bolstered
• bolstering
• bolsterings
• bolsters
• bolt
• bolt-action
• bolted
• bolter
• bolters
• bolthead
• boltheads
• bolthole
• boltholes
• bolting