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