イキ

口, 土, 戈

range, region, limits, stage, level

地域(ちいき): area; region
区域(くいき): (1) limits; boundary; domain; zone; sphere; territory (2) area (e.g. in programming languages)
領域(りょういき): area; domain; territory; field; range; region; regime
流域(りゅういき): (river) basin