Septic rhymes with:
antiseptic, antiseptic, epileptic, peptic, skeptic, antiseptic, apocalyptic, coptic, cryptic, ecliptic, epileptic, fiberoptic, optic, peptic, skeptic, synoptic, triptych
Septic sounds like:
sabatka, sabbaths, sabotage, safeties, safety's, savidge, savitch, savitsky, savitz, seafoods, shafts, shifts, showboat's, sifts, skeptic, skeptics, sobotka, sociopaths, softech, softkey, sovetskaya, soviet's, soviets, soviets', sovyetsky, spades, spates, spats, spatz, speeds, spits, spitz, spots, spotts, spouts, spud's, spuds, svitak, swift's, swifts