Perilous rhymes with:
carolus, garrulous, querulous, carolus, garrulous, querulous, acropolis, aeschelus, anomalous, boulalas, calculus, carolus, credulous, daedalus, deangelis, fabulous, frivolous, garrulous, heliopolis, hydroencephalus, incredulous, libelous, los-angeles, maquilas, marvelous, mcnicholas, megalopolis, merciless, meticulous, metropolis, miraculous, nautilus, nebulous, necropolis, nicholas, nicholas', nicolas, oscalus, oxalis, papadopoulos, pendulous, persepolis, populace, populous, querulous, ridiculous, romulus, scandalous, scrupulous, scurrilous, segalas, stefanopolis, stephanopoulos, stephanopoulos', stimulus, tantalus, tremulous, unscrupulous
Perilous sounds like:
paperless, parallax, parallels, paralysis, paralyze, paralyzes, parlays, parolees, paroles, payrolls, pearls, peerless, perales, peralez, perils, perlis, perls, perulac, pierrelouis, pirelli's, powerless, prolog, prologue, proulx