Here's what rhymes with predecessory.
accessory intercessory Words that almost rhyme with predecessory
feathery reverie leathery treasury sensory celery century memory beggary lechery peppery directory treachery jeopardy westerly dispensary plenary rectory rudimentary trajectory lethargy sedimentary tenderly peremptory refectory extrasensory exemplary alimentary cleverly testamentary plenipotentiary southwesterly parliamentary documentary supplementary penitentiary northwesterly complimentary uncomplimentary