petition n. 请愿,申请(pet+ition→追寻状态→请愿)
petitioner n. 请愿者(petition+er)
appetite n. 欲望;胃口(ap加强动作+pet+ite→一再追求→有胃口)
appetizer n. 开胃食品(appet胃口+izer 东西)
centripetal a. 向心的(centri中心+per+al→追求中心的)
compete v. 竞争,竞赛(com共同+pete→共同追求[一个目标]→竞争)
competent a. 资格的,能力的(compete+ent→竞争的[能力]→有资格的)
competence n. 资格,能力(compete+ence→竞争的[能力]→资格)
competitive a. 有竞争力的(compete+itive)
incompetent a. 无能的(in无+competent有能力的)
impetus n. 动力,冲动(im内+pet+us→内在的追求→冲动)
impetuous a. 冲动的(impetus+ous)
perpetuate v. 使永久,不朽(per全部,永久+pet+uate→追求永久)
perpetual a. 永久的(per+pet+ual)
petulant a. (脾气)暴躁的(pet+ulant多…的→追求太多,导致脾气不好)
propitiate v. 获宠爱;抚慰(pro前+pit[=pet]+iate→追到前面去→获宠爱)
propitious a. 幸运的,吉祥的(pro前+pit+ious→在[别人]前面追到→幸运的)