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