Luminary rhymes with:
cardiopulmonary, preliminary, pulmonary, seminary, cardiopulmonary, cautionary, centenary, concessionary, confectionary, confectionery, coronary, counterrevolutionary, deflationary, dictionary, disciplinary, discretionary, disinflationary, diversionary, evolutionary, exclusionary, expansionary, expeditionary, extraordinary, functionary, illusionary, imaginary, inflationary, interdisciplinary, mercenary, missionary, noninflationary, ordinary, preliminary, probationary, pulmonary, reactionary, recessionary, revolutionary, seminary, stationary, stationery, urinary, veterinary, visionary
Luminary sounds like:
l'amour, lamamra, lamar, lamarr, lamarre, lamaur, lamer, lamere, laminar, laminer, lamora, lamore, lanier, launer, lawner, lawnmower, leamer, leaner, lehmer, lehner, leimer, leiner, lemaire, lemar, lemarr, lemere, lemery, lemire, lemmer, lemur, lennar, lenora, lenore, leonara, leonora, leonore, liener, lillehamer, lillehammer, limmer, linear, liner, lohmeier, lohmeyer, lohner, loner, lonero, lonrho, loomer, lunar