Denshi Jisho — Online Japanese dictionary

さい re-; again; repeated; deutero-; deuto-; deuter-
Common word, Prefix 
さいき comeback; recovery; restoration; rally; reflexive (in grammar)
Common word, Noun, Suru verb, No-adjective 
さいど twice; again; second time
Common word, Adverbial noun, Temporal noun 
さいか remarriage
Noun, Suru verb 
さいき recursive
Noun, No-adjective 
さいぎ reconsideration; redeliberation
Noun, Suru verb 
さいし reconsideration
Noun, Suru verb 
従兄妹 はとこ second cousin
Irregular kanji usage, Noun 
従兄弟 はとこ second cousin
Noun 
従姉妹 はとこ second cousin
Noun 
さいえん 1: another showing (of a play);
2: recapitulation (biology)
Common word, Noun, Suru verb 
さいかい another meeting; meeting again; reunion
Common word, Noun, Suru verb 
さいかい reopening; resumption; restarting
Common word, Noun, Suru verb 
さいけん rebuilding; reconstruction; rehabilitation
Common word, Noun, Suru verb 
さいげん reappearance; reproduction; return; revival
Common word, Noun, Suru verb, No-adjective 
さいこう reconsideration
Common word, Noun, Suru verb 
さいこん second marriage
Common word, Noun, Suru verb 
さいさん again and again; repeatedly
Common word, Adverb, Noun 
さいしん review; revision; reexamination; retrial
Common word, Noun, Suru verb 
さいせい playback; regeneration; resuscitation; return to life; rebirth; reincarnation; refresh; narrow escape; reclamation; regrowth
Common word, Noun, Suru verb, No-adjective 
さいせん re-election
Common word, Noun, Suru verb 
さいにん reappointment
Common word, Noun, Suru verb 
さいねん recurrence; revival; resuscitation
Common word, Noun, Suru verb, No-adjective 
さいはつ return; relapse; reoccurrence
Common word, Noun, Suru verb 
さいはん resale
Common word, Noun 
さいへん reorganization; reorganisation; reshuffle
Common word, Noun, Suru verb 

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