Monastery rhymes with:
budgetary, cemetery, cometary, commentary, depositary, dietary, dignitary, dysentery, fragmentary, hereditary, interplanetary, involuntary, military, momentary, monetary, nonmilitary, paramilitary, pituitary, planetary, proprietary, salutary, sanitary, secretary, sedentary, solitary, tributary, undersecretary, unitary, unsanitary
Monastery sounds like:
maestra, maestri, maestro, magistro, manchester, master, mastery, mastro, maxtor, mcadory, mcateer, mccotter, mcteer, mctier, meester, megastore, meghdar, meister, mester, mestre, mightier, minister, ministry, minstar, minster, misater, mister, mistero, mistry, mixter, mixture, moisture, monster, mostar, moster, muenster, munster, musidora, musketeer, muster, mystere, mystery