ELOHIM:

Triune creator; the sovereign of the universe, and life, and of all nations; who covenants to preserve His creation. General idea of greatness, glory, creative and governing power, omnipotence, sovereignty, creator of the universe. Elohim is mainly concerned with the creation and preservation of the world and His works. He assumes a great love toward all creation and creatures as the work of His hands—plural, representing the Trinity, under the obligation of an oath to perform certain conditions.

EL:

Mighty, strong, prominent, “God” great, dreadful, “Almighty God.”

EL SHADDAI:

The God who is “all-sufficient” and “all-bountiful,” the One who fills and makes fruitful, used in connection with judging, chastening, purging, translated “almighty.”

EL SHADDAI first appears in connection with Abraham in Genesis 17:1: “And when Abram was ninety years old and nine, Jehovah appeared to Abram and said unto him, ‘I am EL SHADDAI (God Almighty!)'” At this time, Abram’s name was changed to Abraham because he understood the revelation of EL SHADDAI is the One with whom all things were possible.