What is the difference between the words Russian and Russian?

Sure, here's the difference between the words "Russian" and "Russian":

Russian is a nationality, a language, and a country in Eastern Europe.

Russian is a proper noun that refers to a person, place, or thing of Russian origin.

Here's a breakdown of the differences:

• Russian is a singular noun that refers to a person, place, or thing of Russian origin.
• Russian is a proper noun that refers to a country in Eastern Europe.
• Russian is a language spoken in Russia and other former Soviet countries.
• Russian is a language of the Indo-European language family.

I hope this helps!