Letters that make sour gum
s, o, g, m, r, u are letters that make 'sour gum'
1 possible definitions for 'sour gum'
Under this definition, sour gum is a noun and has the following properties:
black gum, pepperidge, Nyssa sylvatica have the same meaning as 'sour gum'
'sour gum' can be a type of tupelo, tupelo tree.