Words That Rhyme With "Somniferous" :
4 syllables:
aeriferous, auriferous, bacciferous, calciferous, cheliferous, conchiferous, coniferous, cruciferous, cupriferous, dorsiferous, ferriferous, floriferous, fructiferous, gemmiferous, gypsiferous, lactiferous, lethiferous, luciferous, mammiferous, melliferous, mortiferous, muciferous, pestiferous, piliferous, plumbiferous, pomiferous, poriferous, proliferous, quartziferous, saliferous, soniferous, spiriferous, splendiferous, viniferous, vociferous, yttriferous, zinciferous
5 syllables:
amentiferous, argentiferous, argilliferous, balsamiferous, carboniferous, fossiliferous, gemmuliferous, globuliferous, laticiferous, luminiferous, mammaliferous, melaniferous, nectariferous, nickeliferous, odoriferous, ozoniferous, polliniferous, resiniferous, sacchariferous, salutiferous, seminiferous, soporiferous, staminiferous, stoloniferous, sudoriferous, umbelliferous