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