Same
Part of speech: adjective
Definition: Identical. Similar, alike. Used to express the unity of an object or person which has various different descriptions or qualities. A reply of confirmation of identity.
Part of speech: pronoun
Definition: The identical thing, ditto. Something similar, something of the identical type. It or them, without a connotation of similarity. Often legal.
Example sentence: We may have all come on different ships, but we're in the same boat now.
Unchanged
Part of speech: adjective
Definition: not changed or altered; remaining in an original state
Example sentence: If that vital spark that we find in a grain of wheat can pass unchanged through countless deaths and resurrections, will the spirit of man be unable to pass from this body to another?