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