How can people who believe in god still consider him supernatural?

Well I believe in God as a first cause; because I'm a deist. But I wouldn't describe God as supernatural. Just more advanced than us mortals.

All words are made up, as well as the meaning of all words. We have defined nature as the physical world and everything in it (such as plants, animals, mountains, oceans, stars, etc.) that is not made by people.

By extension then, Natural would be that which pertains to the physical world and everything in it (such as plants, animals, mountains, oceans, stars, etc.) that is not made by people.

God would not qualify as a physical being, or part of the physical world and so if we rightly define Nature and Natural God would not qualify as Natural. It is however appropriate to contrast "nature" and "natural" with God. Some appropriate terms might be:

'extra-natural' -outside of the nature or the natural world

"super-natural" - above or beyond nature or the natural world.

What you seek to do amounts to redefining the words "natural" and "nature"

The word supernatural means that something transcends the natural universe, not that it is excluded from the natural universe. It can be part of the natural universe and yet still be more than the natural universe.

This is a language (word) problem

"natural" derives from the word "nature" which refers to Gods physical creation. God himself is not natural - he is supernatural. The prefix "super" means "over, above, beyond"..... the natural.

1Ti 1:17 Now unto the King eternal, immortal, invisible, the only wise God, be honour and glory for ever and ever. Amen.

Pssst! It's "God." Ask your English teacher.

Logic? Don't you know the religious hate Logic and refuse to accept anything that makes sense

Your initial statement is flawed beyond measure

We see what you cannot, or will not

you are the handicap one

just like the blind man who thinks the sighted rainbow seers are crazy