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