Letters that make red oak
a, o, d, e, k, r are letters that make 'red oak'
1 possible definitions for 'red oak'
Under this definition, red oak is a noun and has the following properties:
turkey oak, southern red oak, swamp red oak, Quercus falcata, Quercus rubra, Shumard oak, Shumard red oak, Quercus shumardii, Quercus borealis, northern red oak are types of 'red oak'.