Blacktop and Sidewalk

Blacktop noun - A black bituminous material used for paving roads or other areas; usually spread over crushed rock.

Sidewalk and blacktop are semantically related. In some cases you can use "Sidewalk" instead a noun "Blacktop".

Sidewalk noun - Walk consisting of a paved area for pedestrians; usually beside a street or roadway.

Blacktop and sidewalk are semantically related. Sometimes you can use "Blacktop" instead a noun "Sidewalk".