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