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