trenithon trentlott tretinoin triacetic triacetin triactine triallate triarctic triathlon tric-trac tricalcic tricarico tricarina trication tricennal tricentra tricerion trichaeta tricharia tricherie trichiana trichiini trichilia trichinae trichinal trichitic trichlor- trichlora trichloro trichroic triclinia triclinic tricoccon tricolore tricorner tricotine tricrotic triennale triennial trientine trierarch trieteric trihealth trihilate trihoeene trilineal trilinear trilirata trilithic trilithon trinacria trininite trinitite trinitrin trinitro- trinitron trioctile triracial triratana trit-trot tritactic tritation triteleia tritheite trithiane triticale triticeae triticean tritocone trntrntrn trocellen trochetia trochilic trochiter trochitic trochleae trochlear troianata trolleite trollhorn trolltoll troncheon tronchon