Restaurant and Roadhouse

Restaurant noun - A public establishment where meals are served to paying customers for consumption on the premises.

Roadhouse and restaurant are semantically related In some cases you can use "Roadhouse" instead a noun "Restaurant".

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

Restaurant and roadhouse are semantically related in place for evening entertainment topic. Sometimes you can use "Restaurant" instead a noun "Roadhouse".