perfidiousperfidyperforateperforatedperforationperforatorperforceperformperformanceperformerperformingperfumeperfumedperfumerperfumeryperfunctorilyperfunctoryperfuseperfusionpergolaperhapsperipericarditispericardiumpericraniumperigeeperihelionperilperilousperimeterperiodperiodicperiodicalperiodicallyperiodicityperiosteumperipateticperipeteiaperipheralperipheryperiphrasisperiphrasticperiscopeperishperishabilityperishableperistalsisperitoneumperitonitisperiwig