Jalopy and Subcompact

Jalopy noun - A dilapidated old automobile.

Subcompact and jalopy are semantically related In some cases you can use "Subcompact" instead a noun "Jalopy".

Subcompact noun - A car smaller than a compact car.

Jalopy and subcompact are semantically related in car topic. Sometimes you can use "Jalopy" instead a noun "Subcompact", if it concerns topics such as vehicle driven on streets.