According to Collins Cobuild Lexicon there is no difference between someone and somebody and can be interchanged. We use someone or somebody to refer to a person without saying who you mean. examples: Carson sent someone to see me. There was an accident and somebody got killed.

There is no difference at all between the 2 words.

somebody- means a person but you know who someone- mans a person but you dont know who hope this helps ^--^

They are the same and can be used interchangeably. Examples: Here there are no differences. I see someone. I see somebody.