隣国【りんごく】
neighbouring country, neighboring country, adjacent country
隣接【りんせつ】
adjacency, contiguity, being adjoined
隣人【りんじん】
neighbour, neighbor, neighbourhood, neighborhood
隣家【りんか】
neighbouring house, neighboring house
隣り合う【となりあう】
to adjoin each other, to sit side by side
隣り合わせ【となりあわせ】
adjoining each other