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