Words That Rhyme With "Pestiferously" :
4 syllables:
rigorously, vigorously, viscerally
5 syllables:
carnivorously, fissiparously, fructiferously, indifferently, omnivorously, oviparously, peripherally, somniferously, splendiferously, vociferously
6 syllables:
odoriferously, stoloniferously