Which word is Kay or Kay? What do Kay and Kay mean?

1, compared with the two, the meaning of kaizi is broader and more meaningful than kaizi. So Kay as a name has a better meaning than Kay.

2. Both words are auspicious names, but they are also auspicious names, and there are differences between them. The word "Kai" means joy, harmony and the victory of the army, which means that the baby's future is far-reaching. The word Kay only means the victory of the army.