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