Is cake a common or proper noun?
The word 'bakes' is not a noun; the word 'bakes' is the present
tense for the verb 'to bake' (bakes, baking, baked).
The noun form 'bake', as in clam bake, is a common noun.
Noun forms for the verb 'to bake' are 'baker', one who bakes, a
common noun; and the verbal noun (gerund), 'baking', also a common
noun.