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