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