Mammoth Uncensored Word List:
74 words ending with ip, 11 letters long

admiralship advisership amateurship apostleship artisanship athwartship auditorship bailiffship baillieship batsmanship benchership bondmanship bushmanship captainship chapmanship citizenship clubmanship colonelship comradeship corivalship coronership creatorship curatorship denizenship electorship emperorship foremanship generalship grandeeship janitorship justiceship kindredship lectureship lifemanship magnateship managership marshalship messiahship monitorship oarsmanship partnership patroonship plowmanship praetorship prefectship prelateship premiership primateship proctorship prophetship provostship questorship scholarship senatorship servantship sheriffship showmanship soldiership speakership sponsorship stewardship studentship subjectship surgeonship teachership traineeship traitorship tribuneship trusteeship vaivodeship viceroyship voivodeship wordmanship workmanship