​The same, similar, and different are used as adjectives.

​The same

​Notice: the always precedes same.

​John and Mary have the same books.

​Their books are the same.

​When comparing two things...

​The same is followed by as.

​Similar is followed by to.

Different is followed by from.

​This book is the same as that one.

This book is similar to that one.

This book is different from that one.

​A noun may come between the same and as

​She is the same age as my mother.

My shoes are the same sise as yours

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