Letters that make tubby
b, t, u, y are letters that make 'tubby'
stubby is a word created by adding a letter to 'tubby'
1 possible definitions for 'tubby'
Under this definition, tubby is an adjective and has the following properties:
dumpiness, squattiness, chubbiness, pudginess, tubbiness, rolypoliness, pudge are derivatives of 'tubby'.
fat is similar to tubby.