pertinacity

n.顽固；固执

Perspex, perspicacious, perspicaciously, perspicacity, perspicuity, perspicuous, perspicuously, perspicuousness, perspicuity, perspiration, perspire, persuade, persuasion, persuasive, persuasively, persuasiveness, pert, pertain, Perth, pertinacious, pertinaciously, pertinence, pertinent, pertinently, pertly, pertness, perturb, perturbation, perturbed, perusal, peruse, pervade, pervasion, pervasive, pervasively, pervasiveness, perverse, perversely, perverseness, perversity, perversion, perversity,