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