Here's what rhymes with gastrophrenic.
phrenic splenic irenic schizophrenic transgenic eugenic pyogenic androgenic neurasthenic allergenic calisthenic telegenic antigenic pathogenic biogenic cryogenic iatrogenic neurogenic psychogenic teratogenic photogenic hypoallergenic callisthenic anthropogenic mutagenic carcinogenic hallucinogenic Words that almost rhyme with gastrophrenic
pfennig ischemic polemic leukaemic systemic endemic pandemic totemic academic epidemic epistemic nonacademic athletic relic authentic prophetic acetic ascetic ferric forensic cleric prosthetic technic allelic benthic steric derrick medic fetich lovesick aesthetic poetic metric pathetic pelvic angelic cosmetic esthetic phonetic septic aseptic centric hectic peptic emetic eutectic frenetic sceptic skeptic hermetic acerbic paraplegic pectic redbrick phrenetic electric magnetic genetic arithmetic atmospheric generic kinetic synthetic anesthetic diabetic dialectic symmetric eclectic esoteric numeric anaesthetic apathetic diuretic enteric obstetric isomeric tartaric turmeric chimeric dietetic dyslexic geodesic geodetic hysteric anorectic antithetic homiletic paramedic splenetic gametic paregoric unaesthetic unauthentic bathetic nonathletic unesthetic dyslectic domestic sympathetic energetic dielectric eccentric geometric majestic antiseptic apologetic asymmetric concentric epileptic parametric alphabetic isometric barometric cybernetic empathetic kinesthetic psychedelic anorexic apoplectic dyspeptic geocentric heliocentric inauthentic ionospheric peripatetic antipathetic evangelic polytechnic pyrotechnic diametric parenthetic exegetic telekinetic mesenteric volumetric hydroelectric phylogenetic psychometric antidiuretic biosynthetic colorimetric egocentric ethnocentric ferromagnetic geomagnetic isoelectric monomeric neuroleptic paramagnetic photometric piezoelectric alphanumeric cataleptic thermometric unapologetic narcoleptic nonelectric cliometric copacetic parasympathetic photoelectric photosynthetic unsympathetic ontogenetic trigonometric anthropocentric radiometric nonmagnetic psychokinetic econometric nonparametric pharmacokinetic stoichiometric onomatopoetic electromagnetic