God, Gods
noun, proper noun
God (formal name ender) is God! Or the gods, if you're talking to more than one. You have to be polite to them, so you add that ender on there.
かみさま
The readings for this word are both kun'yomi readings. You've learned them both already so you should be able to read this too!
あそこにいるのは神様です。
The one over there is a god.
ギターの神様と言えば、誰を思いうかべますか？
Who comes to your mind when you hear the name "guitar god."
あれは多分神様のイタズラだったのだろう。
That's probably just the god of mischief.