Denshi Jisho — Online Japanese dictionary

内字 ないじ internal character
Noun, Computer terminology 
内治 ないじ internal or domestic affairs
Noun 
内耳 ないじ inner ear
Noun 
内地 ないち 1: (Sensitive) within the borders of a country; domestic soil;
2: inland area;
3: (during the WWII era) Japan proper, as opposed to its overseas colonies; interior of country; homeland;
4: (in Hokkaido and Okinawa) the "mainland" parts of Japan (Kyushu, Shikoku, Honshu)
Noun 
内治 ないち internal or domestic affairs
Noun 
内帑 ないど ruler's private property
Noun 
内破 ないは implosion
Noun 
内皮 ないひ endothelium; endodermis
Noun, No-adjective 
内府 ないふ Minister of the Interior (669-1868 CE); Lord Keeper of the Privy Seal (1885-1945 CE)
Noun, Archaism 
内々 うちうち family circle; the inside; private; informal; secret; confidential
Common word, No-adjective, Adverb, Noun 
内海 うちうみ inlet; bay; inland sea
Common word, Noun 
内側 うちがわ inside; interior; inner part
Common word, Noun, No-adjective 
内堀 うちぼり inner moat; moat within the castle walls
Common word, Noun 
内幕 うちまく lowdown; inside curtain; inside information; hidden circumstances; inside facts; inner workings; undisclosed circumstances
Common word, Noun 
内訳 うちわけ itemization (of expenses); the items; breakdown; classification
Common word, Noun 
内角 ないかく interior angle; inside corner (baseball)
Common word, Noun 
内閣 ないかく cabinet; (government) ministry
Common word, Noun, No-adjective 
内外 ないがい inside and outside; domestic and foreign; approximately; interior and exterior
Common word, Noun 
内向 ないこう introvert
Common word, Noun, Suru verb, No-adjective 
内緒 ないしょ 1: secrecy; confidentiality; privacy; secret;
2: one's circumstances (esp. fiscal)
Common word, Noun, No-adjective 
内心 ないしん innermost thoughts; real intention; inmost heart; one's mind; in the heart
Common word, Adverbial noun, Temporal noun 
内申 ないしん unofficial report; confidential report
Common word, Noun, Suru verb 
内実 ないじつ the facts
Common word, Adverbial noun, Temporal noun 
内需 ないじゅ domestic demand
Common word, Noun 
内政 ないせい municipal; internal administration; domestic affairs
Common word, Noun, No-adjective 

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