I would be hesitant to use [name]Ava[/name]-[name]Kate[/name], or when pairing names with [name]Kate[/name]. When [name]Kate[/name] is added to the end of a name sometimes it starts sounding nounish (- cate). For example, [name]Ava[/name] [name]Kate[/name] sounds kind of similar to advocate. I do have a friend that named her daughter [name]Emma[/name] [name]Kate[/name] and another [name]Anna[/name] [name]Kate[/name] and an acquaintence [name]Sophie[/name] [name]Kate[/name] (but again, to me sounds a little like suffocate). Good luck