treatance tree-toad trenarren trepanned trepanner trepidant trepidate trepidina trepopnea tretinoin tri-iodo- tri-pride triacetic triacetin triactine triandria triarctic tric-trac tricaprin tricardia tricarico tricarina trication tricentra triceptor tricerion tricoated tricoccon tricorder tricordia tricorner tricotine tricrotic tridacnid tridecane tridecene tridentea tridented triediton trientine trieteric triiodide trinacria trininite trinitite trinitrin trinitro- trinitron trinodine triopidae triparted tripodian tripodion triratana trit-trot tritactic tritanope tritation tritiated triticeae triticean triticoid tritocone tritoniid tritonoid trntrntrn trocadero troianata tronadora troopinto trooprace troparion tropicana tropidine tropidion tropinone trotopera