I will write a couple of examples for you.
A noun and an adjective are different.
There is a difference in how to use nouns and adjectives.
I'm a patient at a hospital.
In order to learn a new language, you have to have patience.
Apples and oranges are different.
One difference between apples and oranges is their color.
I'm a very patient person while I drive in traffic.
I have no patience when it comes to sitting in traffic for hours.
Hopefully the examples help to answer your question.