Ceremonial rhymes with:
matrimonial, matrimonial, testimonial, matrimonial, testimonial, colonial, matrimonial, testimonial, bicentennial, biennial, centennial, colonial, company'll, decennial, intracranial, lineal, matrilineal, matrimonial, menial, millennial, patrilineal, perennial, quadrennial, testimonial, triennial
Ceremonial sounds like:
caramel, carmel, carmela, carmelo, carnal, carneal, carnell, carnley, charnley, chromalloy, ciaramella, cornall, corneal, cornel, cornela, cornelia, cornelio, cornell, cornelle, corniel, cornmeal, cornwall, cornwell, cranial, cranley, crannell, criminal, criminally, cromley, cromwell, crumley, crumly