Goddess Kali and Kali Yuga
Are they the same word?
As commonly written in English, the Kali in Kali Yuga looks exactly the same as the name of Goddess Kali. But take a closer look...
Dictionary meanings of the kali in kali yuga include strife,quarrel, and the side of a die which is marked with one point. (from V.S.Apte; The Students Sanskrit-English Dictionary.)
This is a word of masculine gender, sometimes personified as a male being.
Is he the masculine counterpart of Goddess Kali? Actually no, the male counterpart of Goddess Kali is Kala, also called Mahakala.