根 （コン） stick-to-itiveness, perseverance, persistence, radical (esp. one that tends to ionize easily), root, indriya (faculty of the body having a specific function, i.e. the sensory organs)

根幹 （コンカン） foundation, root, basis, core, fundamentals, root and trunk

事実無根 （ジジツムコン） groundless, entirely contrary to fact

球根 （キュウコン） (plant) bulb

根 （ね） root (of a plant), root (of a tooth, hair, etc.), center (of a pimple, etc.), root (of all evil, etc.), source, origin, cause, basis, one's true nature, (fishing) reef

根ざす （ねざす） to come from, to have roots in

島根 （しまね） Shimane (prefecture), island country

尾根 （おね） (mountain) ridge