What eight letter word can be made from these letters btgcreastbia?

abbacies, abreacts, abstract, abstrict, agitates, agrestic, ariettas, aristate, bacteria, bearcats, birettas, brattice, cabarets, cabbages, cabresta, cabretta, cartages, castrate, castrati, cigarets, citrates, cribbage, cristate, ergastic, gabbarts, gabbiest, regattas, sabbatic, scabbier, scattier, tabarets, tabetics, teacarts