こんきょ 根拠 Common word JLPT N1 Wanikani level 41 Play audio LinksSentence search for 根拠Sentence search for こんきょKanji details for 根 and 拠Edit in JMdict Noun1. basis; grounds; foundation; reason; authorityそのうわさ噂はまった全くこんきょ根拠がなかった。The rumor was completely without foundation.Noun2. base (of operations) Discussions Log in to talk about this word.