diana

As nouns the difference between diana and paco

is that diana is while paco is palace (large residence where aristocrats usually live).

As a noun diana is

.

As proper nouns the difference between diana and dyana

is that diana is the daughter of Latona and Jupiter, and twin sister of Apollo; the goddess of the hunt, associated wild animals and the forest or wilderness, and an emblem of chastity; the Roman counterpart of Artemis while Dyana is a respelling of the female given name Diana.