Home Misspellings How to spell interegnum? Interegnum or interregnum? Which one is correct? by hersey November 10, 2018 Reading Time: 0min, 7sc + - 0 Interegnum or interregnum Which one is correct? You can find the answer below. Incorrect Interegnum Correct Interregnum You can find more information about Interregnum word here. Rate this post Correct spelling of InteregnumHow do you spell Interegnum