As a proper noun father
is (christianity) god, the father of creation.
As a noun milk is
(uncountable) a white liquid produced by the mammary glands of female mammals to nourish their young from certain animals, especially cows, it is a common food for humans as a beverage or used to produce various dairy products such as butter, cheese, and yogurt.
As a verb milk is
to express milk from (a mammal, especially a cow).