dethronization means dethronement. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
Etymology
From dethronize + -ation.
noun
- Dethronement.“[T]he Queene [Isabella of France], vvhen ſhee vvas […] aduertiſed of her huſbands dethronization, ſhee outvvardly expreſſed ſo great extremity of paſſion (notvvithſtanding that at the ſame time ſhee vvas tolde of her ſonnes [Edward III of England's] ſurrogation) as if ſhee had beene diſtraught in her vvittes: […]”