Here's what rhymes with existentialhumanistic.
mystic cystic humanistic animistic monistic shamanistic artistic mechanistic autistic ballistic logistic sadistic synergistic theistic hedonistic euphemistic sophistic realistic optimistic unrealistic holistic journalistic pessimistic simplistic statistic dualistic moralistic rationalistic socialistic atheistic communistic egoistic fatalistic juristic novelistic patristic chauvinistic egotistic eulogistic surrealistic voyeuristic aphoristic feudalistic inartistic nepotistic linguistic antagonistic stylistic deterministic heuristic idealistic monopolistic nationalistic naturalistic anachronistic opportunistic paternalistic ritualistic futuristic legalistic monotheistic pantheistic syllogistic jingoistic pugilistic casuistic puristic altruistic narcissistic pluralistic impressionistic militaristic polycystic positivistic cannibalistic belletristic overoptimistic characteristic individualistic materialistic capitalistic relativistic imperialistic universalistic polytheistic expressionistic probabilistic oligopolistic uncharacteristic spiritualistic sociolinguistic Words that almost rhyme with existentialhumanistic
flyspeck mimic mythic lipstick lytic dipstick diptych nitpick critic analytic civic lyric acidic hemolytic picnic citric cryptic elliptic granitic physic cynic haemolytic lithic thymic gimmick triptych sylphic clinic rhythmic terrific acrylic ecliptic idyllic limbic pacific phenotypic rabbinic satiric syphilitic arthritic empiric honorific arrhythmic nephritic periwig pinprick cenobitic nonrhythmic zoophytic specific scientific intrinsic catalytic monolithic parasitic dendritic hemispheric horrific paralytic hydrolytic impolitic metaphysic neolithic porphyritic pantomimic philippic juridic bromidic psychoanalytic apocalyptic prolific hydrophilic proteolytic unscientific antiarrhythmic basophilic eosinophilic organismic thrombolytic antisemitic megalithic patronymic saprophytic unspecific bulimic hermaphroditic encephalitic coenobitic extrinsic logarithmic nonspecific electrolytic algorithmic fibrinolytic hieroglyphic nonscientific palaeolithic polyclinic carboxylic cataclysmic stratospheric paleolithic transpacific