根拠【こんきょ】
basis, grounds, foundation, reason, authority, base (of operations)
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
屋根【やね】
roof
根本的【こんぽんてき】
fundamental, basic
根幹【こんかん】
foundation, root, basis, core, fundamentals, root and trunk
根底【こんてい】
root, basis, foundation
根回し【ねまわし】
laying the groundwork, behind-the-scenes maneuvering, consensus-building process, digging around the roots of a tree (before transplanting)
根源【こんげん】
root, source, origin, cause
垣根【かきね】
hedge, fence, border, limit
根絶【こんぜつ】
eradication, extermination, rooting out, stamping out, getting rid of
根性【こんじょう】
willpower, guts, determination, grit, spirit, character, nature, disposition, personality
大根【だいこん】
daikon (variety of large white Oriental radish, Raphanus sativus var. longipinnatus), ham actor
根気【こんき】
patience, perseverance, persistence, tenacity, energy
根っこ【ねっこ】
root (of a plant), stump (of a tree), root (of a problem, etc.), base, foundation, origin, source
禍根【かこん】
root of an evil, source of a problem, source of trouble, cause of misfortune
根強い【ねづよい】
firmly rooted, deep-seated