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