Denshi Jisho — Online Japanese dictionary

二 に two
Common word, Numeric 
二 ふ two
Numeric 
二 ふう two
Numeric 
二 ふた two
Numeric 
二期 にき two periods or terms
Common word, Noun 
二死 にし two out (e.g. in baseball); two down (and one to go)
Common word, Noun 
二次 にじ secondary; subordinate
Common word, Noun, No-adjective 
二度 にど 1: two times; twice;
2: two degrees
Common word, Noun 
二部 にぶ two parts; two copies; the second part
Common word, Noun 
二位 にい second place
Noun 
二尉 にい first lieutenant (JSDF)
Noun 
二価 にか divalent
No-adjective 
二九 にく eighteen
Noun, Archaism 
二胡 にこ erhu (2-stringed Chinese instrument played with a bow); erh hu
Noun 
二佐 にさ lieutenant colonel (JSDF)
Noun 
二士 にし private (JSDF)
Noun 
二至 にし the two solstices (summer and winter)
Noun 
二字 にじ two characters; name
Noun 
二時 にじ two o'clock
Temporal noun 
二値 にち binary; two-valued
No-adjective 
二兎 にと two rabbits
Noun, Archaism 
二十 はた twenty
Out-dated or obsolete kana, Noun 
二院 にいん the two houses of legislature
Common word, Noun 
二階 にかい second floor; upstairs
Common word, Noun 
二月 にがつ February
Common word, Adverbial noun 
二宮 にぐう the Two Ise Shrines
Common word, Noun 

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