Here's what rhymes with preciosum.
callosum Words that almost rhyme with preciosum
bosun chosen motion notion frozen woven lotion potion cozen sloven emotion erosion corrosion cloven refrozen rewoven devotion promotion commotion oxytocin demotion explosion interwoven locomotion ibuprofen implosion handwoven poem modem wholesome loathsome lonesome totem locum solum hokum periosteum scrotum unwholesome jeroboam