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