Based on scare, new words formed by adding one letter at the beginning or end:
aacers   barecas   ccaesar   dbraces   escarce   fcadres   gcedars   hsacred   iscared   kcrease   lfacers   mfarces   ncagers   ograces   parches   rchares   seschar   tcaries   ucerias   vericas   ycrakes   zsacker