ク、オウ、コウ

丶, ノ, 匚

ward, district

区域(くいき): (1) limits; boundary; domain; zone; sphere; territory (2) area (e.g. in programming languages)
区間(くかん): (1) section (of track, etc.); segment; dimension (2) interval
区(く): ward; district; section
区別(くべつ): distinction; differentiation; classification
区分(くぶん): division; section; demarcation; partition; segmentation; subdivision; (traffic) lane; compartment; classification; sorting
区画(くかく): division; section; compartment; boundary; area; block
地区(ちく): district; section; sector
区切り(くぎり): (1) punctuation; pause; juncture (2) end; (place to) stop
区切る(くぎる): (1) to demarcate; to delimit; to divide (an area); to mark off; to cut off (2) to punctuate; to put an end to (e.g. a sentence); to insert pauses or breaks (e.g. when reading aloud)
区々(まちまち): several; various; divergent; conflicting; different; diverse