adversary, ancillary, apothecary, arbitrary, arbitrary, aviary, beneficiary, bicentenary, blackberry, blueberry, bradbury, budgetary, canterbury, capillary, cardiopulmonary, cassowary, cautionary, cemetery, cemetery, centenary.
Your query has returned 1125 words, which include anagrams of expeditionary as well as other shorter words that can be made using the letters included in expeditionary.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.