Demagoguery rhymes with:
boulangerie, calgary, degregory, gregorie, gregory, grigory, hungary, kingery, kingry, mcgregory, megarry, skulduggery, sugary, thuggery, vagary, viguerie
Demagoguery sounds like:
daenzer, dancer, danger, danker, danser, dansereau, danzer, danziger, deininger, demonizer, denker, denninger, denser, denzer, dettinger, dinger, dinosaur, doniger, doomsayer, dunker