adderadder adderdread athahedha atterrated atthatrate attheheart atttadappa datareader datertrade datetrader deadheaded dearreader deathadder deepthreat depredated detartrate eartheater ehrharteae erra-pater harardhere hard-heart hardheaded hardrapper heat-treat heptahedra parapetted paredthree pepperette peppertree perpetrate peterpeter pratt-read preadapted preprepare pretheater pretheatre pretreated ratatattat reappeared red-headed red-header repeatered rerereader rethreaded retreateth tartarated tatarpaper tatereater tatertreat terrathree tetraether tetrahedra tetraptera theatrette therethere thetheatre three-part three-peat tradepaper treaddepth treadtrade treattetra tree-depth