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