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