Pavement
Part of speech: noun
Definition: A paved footpath at the side of a road. Any paved exterior surface, as with a road or sidewalk. The interior flooring, especially when of stone, of large buildings such as a cathedral. The material with which a surface is paved.
Example sentence: 2017 may have been that year when identity politics hit a brick wall - and slumped limply on the pavement.
Sidewalk
Part of speech: noun
Definition: a paved footpath at the side of a road for the use of pedestrians; a pavement (UK) or footpath (Aus)
Example sentence: I rarely step on sidewalk cracks. I don't wear a watch. I touch my favorite tree before going on long trips.