根 - root, radical, head (pimple)

root (of a plant)

root of an evil; source of a problem; source of trouble; cause of misfortune

firmly rooted; deep-seated

(mountain) ridge

daikon (variety of large white Oriental radish, Raphanus sativus var. longipinnatus)

groundless; entirely contrary to fact

roots of grass; places hidden from sight

roof

root; source; origin

hedge; fence

Shimane (prefecture)

root; basis; foundation