Flophouse and Motor inn

Flophouse noun - A cheap lodging house.

Motor inn and flophouse are semantically related In some cases you can use "Motor inn" instead a noun "Flophouse".

Motor inn noun - A hotel for motorists; provides direct access from rooms to parking area.

Flophouse and motor inn are semantically related in place where one pays for accommodation topic. Sometimes you can use "Flophouse" instead a noun phrase "Motor inn".