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