Lascivious and Ruttish

Lascivious adjective - Depicting or referring to sexual matters in a way that is unacceptable in polite society.

Ruttish and lascivious are semantically related In some cases you can use "Ruttish" instead an adjective "Lascivious".

Ruttish adjective - Feeling great sexual desire.

Lascivious and ruttish are semantically related in desirous topic. You can use "Lascivious" instead an adjective "Ruttish".