Here's what rhymes with scarcastic.
clastic mastic elastic plastic drastic sarcastic spastic monastic scholastic dynastic inelastic stochastic aplastic orgiastic fantastic gymnastic viscoelastic bombastic periphrastic neoplastic ecclesiastic hyperplastic hypoplastic iconoclastic thermoplastic nonelastic enthusiastic interscholastic unenthusiastic overenthusiastic Words that almost rhyme with scarcastic
gastric classic lactic tactic organic magic romantic static fabric gigantic graphic panic aromatic emphatic frantic catholic erratic manic rheumatic synaptic galactic phallic tannic schismatic slapstick malefic matchstick aerobatic dramatic traffic tragic hepatic semantic ceramic climatic dogmatic pragmatic schematic somatic thematic thoracic traumatic volcanic charismatic didactic ecstatic enigmatic lymphatic mechanic pneumatic aliphatic asthmatic chromatic climactic fanatic galvanic geriatric kinematic operatic pedantic italic magmatic phlegmatic ataxic stigmatic tyrannic baldric priapic democratic dynamic automatic diplomatic metallic psychiatric inorganic autocratic barbaric enzymatic hemorrhagic nomadic oceanic prostatic sporadic cephalic cinematic emblematic glutamic messianic ophthalmic presynaptic prismatic telegraphic thalamic achromatic haemorrhagic heraldic idiomatic muriatic pelagic satanic spermatic syllabic theocratic titanic zygomatic acrobatic chiropractic unromantic astigmatic botanic calligraphic neoclassic sycophantic xerographic apparatchik systematic aristocratic bureaucratic demographic geographic pancreatic photographic ethnographic hydrostatic pediatric prophylactic aerodynamic axiomatic panoramic paradigmatic programmatic psychosomatic tympanic cartographic holographic intrahepatic lithographic orthographic orthostatic psychopathic splanchnic technocratic bimetallic epigrammatic isobaric paediatric stenographic biographic choreographic disyllabic intergalactic meritocratic plutocratic thermostatic undramatic phonographic photostatic unemphatic problematic symptomatic metastatic radiographic bibliographic melodramatic nostalgic pornographic postsynaptic psychodynamic topographic anaphylactic diagrammatic diaphragmatic homeostatic iconographic intrathoracic posttraumatic tomographic undemocratic oceanographic typographic numismatic osteopathic panchromatic nondramatic undiplomatic seismographic asymptomatic cytoplasmic electrostatic hypothalamic thermodynamic endoplasmic hemodynamic hydrodynamic monochromatic stratigraphic transatlantic angiographic crystallographic unsystematic antidemocratic nonmetallic anticlimactic nondemocratic polysyllabic semiautomatic unidiomatic homoeostatic idiosyncratic chromatographic monosyllabic protoplasmic unproblematic autobiographic lexicographic transoceanic cinematographic electrocardiographic electroencephalographic