Denshi Jisho — Online Japanese dictionary

たに valley
Common word, Noun 
かこく river valley
Expression 
けいこく valley; ravine; canyon
Common word, Noun 
くうこく lonely or uninhabited valley
Noun 
けいこく valley; ravine; canyon
Noun 
谿 けいこく valley; ravine; canyon
Noun 
けんこく cirque; corrie; cwm
Noun 
こめかみ temple (of the forehead)
Noun, Usually written using kana alone 
ゆうこく deep ravine; glen
Noun 
きょうこく glen; ravine; gorge; canyon
Common word, Noun 
海底 かいていこく submarine valley; submarine canyon
Noun 
海底 かいていだに submarine valley; submarine canyon
Irregular kana usage, Noun 
断層 だんそうこく fault valley
Noun 
不気味の ぶきみのたに uncanny valley (hypothesis about humanoid robots)
Expression 
千仭の せんじんのたに bottomless ravine
Noun 
千尋の せんじんのたに abysmal valley
Noun 
深山幽 しんざんゆうこく deep mountain valleys
Noun 

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