沿う[sou] to run along
沿って[sotte] along
沿海[enkai] coast
沿革[enkaku] history
沿岸[engan] coast

沿線[ensen] along railway line
沿道[endou] route
沿路[enro] route
海沿い[umizoi] coastlands
河沿い[kawazoi] along the river