A four letter word for Wednesday's god is Odin.
Apep
idol
Well, if you mean the One True God, aka Jesus Christ then a 4 letter word is Lord.
Eros, the god of love.
Thor, Ullr and Loki are all four letter god names.
Abba- An intimate term for God as father. According to the OED. area
Ares
The word God in the Bible is translated from the word Elohim, it is used 224 times in Genesis.The Tetragrammaton (which is the four letter word YHWH) is Gods actual name. It is translated in various ways. Yahweh, Jehovah, LORD. It is in Genesis 153 times.
The four Gospels are full of God's word and is Jesus speaking and His acts, the Son of God
Godly.
Deity