IPA: /ˈsaɪdˌwɔk/
KK: /ˈsaɪdˌwɔk/
A path made of concrete or other materials for people to walk on, usually located next to a road.
Children should always walk on the sidewalk to stay safe from traffic.
Sidewalk → It is formed from "side" (from Old English "side", meaning the lateral part) and "walk" (from Old English "wealcan", meaning to move or travel). The word "sidewalk" refers to a path for walking that is located at the side of a road.
Think of a path that is located at the 'side' of the road where people 'walk' — that's what a sidewalk is.
No commonly confused words.