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