Here's what rhymes with unassertible.
convertible revertible nonconvertible Words that almost rhyme with unassertible
vertebral cervical observable workable unsearchable burnable terminal discernible reversible germinal intervertebral unworkable virginal urinal conferrable irreversible worshipful returnable indiscernible turnbuckle interpersonal impersonal purposeful transferable nonreturnable nontransferable