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

• savannahs
• savannas
• savanna-sparrow
• savanna-sparrows
• savanna-wattle
• savanna-wattles
• savant
• savante
• savantes
• savants
• savant syndrome
• savant syndromes
• savarin
• savarins
• savate
• savates
• save
• save-all
• save-alls
• save appearances
• save as you earn
• saved
• savegard
• savegarded
• savegarding