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