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