ad-dariyah ad-diriyah adderadder adderdread athahedha athyridida atterrated atthatrate attheheart attheready datareader datertrade datetrader dattatreya day-trader deadheaded dearreader deathadder deerediary dehydrated dehydrater derryarrit detartrate dihydrated dirt-eater dirtyharry drearihead eartheater ehrharteae erytheraea erythraeid etheriidae haddadiyeh hair-dryer harardhere hard-heart hardheaded harditerha hardydardy haydariyeh heat-treat herediatry hereditary heydariyeh hitthedirt iheardthat iriarteeae irradiated irritateth radderatti ratardidae ratatattat ratterrier red-haired red-headed red-header reederite- rehydrated reiterated reradiated rerereader rethreaded retreateth rhytididae ryderdryer ryderrider tartarated tatereater tatertreat teary-eyed terrathree tethydidae tetraether tetrahedra tetrahydr- theatrette therethere thetheatre theyreatit theyrehere third-rate third-year thirty-day thirtyyear thryttethe thyridaria thyrididae titahiriya treadtrade treattetra triarthria trihydrate trihydride triradiate yaddayadda yah-ta-hey yttriaite-