Crossword puzzle clue "event that may have a con suffix in its name"

Event that may have a "-con" suffix in its name

Con's con

Con artist's con

Con that cons a con man

Currency whose name can become its country's name by changing its last letter to an N and scrambling

Island that may have an apostrophe in its name

It may have ".com" in its name

"You may have the universe if I may have ___" (Verdi opera line)