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