Is a w2g the same as a 1099g

No. They are not the same.  A W-2G is a document that reports winnings from gambling.   A 1099G can be used for various kinds of income including unemployment compensation, a state or local refund, certain government grants, etc.   What do you have?  A W-2G or a 1099G?

No.

Form W2-G reports certain gambling winnings.

Form 1099-G reports certain Government payments, such as unemployment benefits or taxable grants.