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