Hard core and Porno

Hard core noun - The most dedicated and intensely loyal nucleus of a group or movement.

Porno and hard core are semantically related. in pornographic topic. 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. Sometimes you can replace phrase "Hard core" with "Porno", this terms are similar.