Based on astringe, new words formed by adding one letter at the beginning or end:
b - breasting c - recasting d - astringed e - agentries g - gratinees h - reseating i - stingaree k - restaging l - ingathers m - grainiest n - seriating o - streaking p - gnarliest r - integrals s - reslating t - emigrants u - mastering v - streaming w - gannister y - orangiest
