1. same
2. aforesaid, aforementioned, said, identical, one and the same, selfsame, very, self, same
3. assonant, comparable, corresponding, like, cookie-cutter, duplicate, identical, indistinguishable, one, synoptic, synoptical, homophonic, equal, like, similar, similar, unvaried, unvarying, like
4. equal, equivalent, unchanged