Nefarious rhymes with:
aquarius, gregarious, hilarious, marius, precarious, stradivarius, tavoulareas, various, vicarious, aquarius, curious, deleterious, delirious, demetrius, denarius, dimitrius, dimitrius', furious, glorious, gregarious, hilarious, illustrious, imperious, industrious, inglorious, injurious, laborious, lugubrious, marius, meritorious, murias, mysterious, notorious, pancreas, penurious, precarious, serious, spurious, stradivarius, tavoulareas, various, vicarious, victorious, vitreous
Nefarious sounds like:
nabers, nabors, nebraska, nebraska's, neiberg, nephrosis, neuburg, nevarach, nevarach's, nevarez, nevers, newberg, newbrough, newburg, newburgh, newbury's, nobrega, nobriga, nonferrous, nonmembers, noverco, npr's, npr.org, number's, numbers, nyberg, nyborg