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