Big-name and Superstar

Big-name adjective - Widely known.

Superstar and big-name are semantically related in famous topic. In some cases you can use "Superstar" instead the phrase "Big-name" as a noun or an adjective, when it comes to topics like somebody famous.

Superstar noun - A person who is widely known and usually much talked about.

Big-name and superstar are semantically related in famous topic. Sometimes you can use "Big-name" instead the word "Superstar" as an adjective or a noun.