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