The Ecstasy of communication (n.) has no Other out there and no final destination, so any interactor will do.
The Ecstasy of god (n.) is prophecy seen from above: not man stepping out of himself but God stepping out of his silence to make his will known.
Mystical ecstasy (n.) is what the height of sexual love would be called in any other circumstances, but for prejudice and insensitivity.
Rapture (n.) in Bernini's St. Theresa wears a face equally of ravishment or torture — and the angel's smile is compassionate or cruel.
The Rapture (n.) will leave a lot of cars unmanned, according to their bumper stickers.
The Rapture (n.) is promised by preachers and delivered, occasionally, by songs.
Rapture (n.) is like a language spoken fluently for ten minutes and never again.