Answer:

ism

AnswerCrossword Clue
ISMDistinctive doctrine
ISMDoctrine
ISMFanatic follower?
ISMKin to an ology
ISMMarx or Lenin follower
ISMBelief
ISMLenin follower?
ISMPhilosophical holding
ISMSchool of thought
ISMMarx follower
ISMYou can believe it
ISMDoctrine of some kind
ISMIdeology, informally
ISMUnpleasant end to sex?
ISMIt's believable
ISMDoctrine, for short
ISMDogma
ISMSuffix for beliefs
ISMCredo suffix
ISMSet of tenets
ISMCult's ending
ISMBelief system
ISMPhilosophical belief
ISMAbsurd ending?
ISMMoral ending
ISMEnding for social or class
ISMPagan follower?
ISMTenet
ISMTheory
ISMEnding for intellectual
ISMPhilosophical ending
ISMSchool of thought: Suffix
ISMCapital ending
ISMSuffix with critic
ISMAn end to sex?
ISMCatholic ending
ISMMarx follower?
ISMCreed
ISMEnd of sex?
ISMImperial follower