Denshi Jisho — Online Japanese dictionary

サイ psi
Common word, Noun 
債 さい debt; loan
Common word, Noun, Noun suffix 
再 さい re-; again; repeated; deutero-; deuto-; deuter-
Common word, Prefix 
才 さい 1: -years-old;
2: ability; gift; talent; aptitude; genius
Common word, Suffix 
歳 さい -years-old
Common word, Suffix 
際 さい on the occasion of; circumstances
Common word, Adverbial noun, Noun 
最 さい 1: the most; the extreme;
2: () prime; conspicuous
Prefix, Na-adjective 
犀 さい rhinoceros
Noun 
細 さい detail; details
Noun 
菜 さい side dish
Noun 
裁 さい judge
Noun suffix 
賽 さい 1: (Abbreviation) dice; die;
2: baton (of command)
Noun 
載 さい 10^44
Noun 
采 さい 1: (Abbreviation) dice; die;
2: baton (of command)
Noun 
釵 さい sai (an Okinawan weapon)
Noun, Martial arts term 
歳 とし 1: many years;
2: () age;
3: () past one's prime; old age
Noun 
歳 とせ counter for years (following a number in the hito-futa-mi counting system)
Counter, Archaism 
差異 さい difference; disparity
Common word, Noun 
差違 さい difference
Noun 
サイズ size
Common word, Noun 
サイト 1: site (usu. website);
2: sight;
3: (Abbreviation) payable on sight
Common word, Noun 
サイド side
Common word, Noun 
サイロ silo
Common word, Noun 
サイン 1: autograph; signature;
2: sign;
3: (Noun) sine
Common word, Noun, Suru verb 
サイケ psychedelic
Na-adjective, Abbreviation 
サイコ psycho
Noun 

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