Extra domains

I have 3 extra domains registered for 2 years, how can I use them other than blogging on them?

All the tips are welcomed.

Create e-commerce store (drop shipping ones) or make it an affiliate marketing website ?

What are domains names?

See if this post helps

http://divinamstructuray.com/
https://umangsethi.com/
https://yadunandanclinic.com/