Cabaret and Speakeasy

Cabaret noun - A bar or restaurant offering special nighttime entertainment (as music, dancing, or comedy acts).

Speakeasy and cabaret are semantically related in nightclub with musical performances topic. In some cases you can use "Speakeasy" instead a noun "Cabaret".

Speakeasy noun - (during prohibition) an illegal barroom.

Cabaret and speakeasy are semantically related in place for evening entertainment topic. You can use "Cabaret" instead a noun "Speakeasy".