Letters that make mostly
s, o, l, m, t, y are letters that make 'mostly'
2 possible definitions for 'mostly'
Under this definition, mostly is an adjective and has the following properties:
generally, by and large, more often than not have the same meaning as 'mostly'
Under this definition, mostly is an adjective and has the following properties:
largely, for the most part have the same meaning as 'mostly'
most(a) pertains to 'mostly'.