adderadder adderdread athahedha atterrated atthatrate attheheart datareader datertrade datetrader deadheaded dearreader deathadder detartrate dirt-eater drearihead eartheater ehrharteae etheriidae harardhere hard-heart hardheaded harditerha heat-treat hitthedirt iheardthat iriarteeae irradiated irritateth radderatti ratardidae ratatattat ratterrier red-haired red-headed red-header reederite- reiterated reradiated rerereader rethreaded retreateth tartarated tatereater tatertreat terrathree tetraether tetrahedra theatrette therethere thetheatre third-rate treadtrade treattetra triarthria triradiate