The same way jesus is dear to the Christian faith,

is the same way Ala, Arusi, Amadioha, Ikenga and etc. is dear to the Igbo faith.

Do not call anyone of them Idol.

So, understand that Chukwu/Chi Ukwu affiliates with the above deities. Therefore Chukwu can't be named God/god.

Why?

God is a mere title to describe deities and do not possess any significance in power or strength.

"God" is a singular noun, "Gods" is a plural noun whether used in capital or small letters they are same thing.

MORE e.g. Boy..Boys

Girl...Girls
Etc.