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