Hard-core and Porno

Hard-core adjective - Firmly established over time.

Porno and hard-core are semantically related In some cases you can use "Porno" instead an adjective phrase "Hard-core".

Porno noun - Creative activity (writing or pictures or films etc.) of no literary or artistic value other than to stimulate sexual desire.

Hard-core and porno are semantically related in pornographic topic. Sometimes you can use "Hard-core" instead an adjective "Porno".