Here's what rhymes with epenthesis.
parenthesis Words that almost rhyme with epenthesis
censuses consensuses pectoris nemesis baroness benefits prejudice selflessness pessimists clematis segregates eugenicists therapists dimensionless anesthetists polemicists medalists belletrists nepotists expressionless secessionists impressionists orientalists supremacists carcinogenesis existentialists parthenogenesis interventionists receptionists expressionists fundamentalists protectionists projectionists psychotherapists instrumentalists insurrectionists radiotherapists hypnotherapists environmentalists physiotherapists transcendentalists