Cake
Part of speech: noun
Definition: A rich, sweet dessert food, typically made of flour, sugar and eggs and baked in an oven. A block of any of various dense materials. A trivially easy task or responsibility; from a piece of cake. money
Part of speech: verb
Definition: Coat (something) with a crust of solid material.
Example sentence: Cakes are special. Every birthday, every celebration ends with something sweet, a cake, and people remember. It's all about the memories.
Cookie
Part of speech: noun
Definition: A small flat, baked cake which is either crisp or soft but firm (often with chocolate chips, candies or nuts mixed in.)A specifically American-style biscuit.a bun.An HTTP cookie, web cookie.A magic cookie.A young, attractive woman. As it is often intended to sexually objectify said woman, it can be seen as offensive (though only mildly, as it is a somewhat dated term, but not yet obsolete).