Define God, Define Lord

Define God 

1.) (in Christianity and other monotheistic religions) the creator and ruler of the universe and source of all moral authority; the supreme being.
"the Lord, the Almighty, the Creator, the Maker, the Godhead"

2.)(in certain other religions) a superhuman being or spirit worshiped as having power over nature or human fortunes; a deity. "a moon god" (deity, goddess, divine being, celestial being, divinity, immortal, avatar More
an image, idol, animal, or other object worshiped as divine or symbolizing a god.)  (idol, graven image, icon, totem, talisman, fetish, juju"

"used as a conventional personification of fate"

3.) an adored, admired, or influential person."he has little time for the fashion victims for whom he is a god"
a thing accorded the supreme importance appropriate to a god.

4.) used for emphasis or to express emotions such as surprise, anger, or distress.
"God, what did I do to deserve this?"

Define Lord  

"someone or something having power, authority, or influence; a master or ruler.
"lord of the sea" (magnate, tycoon, mogul, captain, baron, king)