Denshi Jisho — Online Japanese dictionary

じょ 1: order; ordering;
2: beginning; start;
3: foreword; preface; introduction;
4: (in gagaku or noh) opening of a song
Noun 
ついで opportunity; occasion
Common word, Noun, Usually written using kana alone 
ついで opportunity; occasion
Common word, Noun, Usually written using kana alone 
じょし arranging seats by seniority
Noun, Archaism 
じょし 1: foreword; preface; introduction;
2: prefatory modifying statement (of a waka, etc.)
Noun 
じょじ order; sequence
Noun 
じょせつ introduction
Common word, Noun 
じょばん the opening(s) (e.g. in a game of go or chess)
Common word, Noun 
じょぶん preface; foreword; introduction
Common word, Noun, No-adjective 
じょまく curtain-raiser; prologue
Common word, Noun, No-adjective 
じょれつ rank; ranking order; hierarchy
Common word, Noun, Suru verb 
じょげん foreword; preface; introduction
Noun, No-adjective 
じょすう an ordinal number
Noun, No-adjective 
じょそう (musical) introduction
Noun 
じょろん introduction; preface
Noun 
ついでに incidentally; taking the opportunity; while (you) are at it; on the occasion
Adverb, Usually written using kana alone 
でに ついでに incidentally; taking the opportunity; while (you) are at it; on the occasion
Common word, Adverb, Usually written using kana alone 
じょきょく overture; prelude
Common word, Noun 
じょことば prefatory modifying statement (of a waka, etc.)
Noun 
じょしょう prologue; preface
Noun 
二段 じょにだん jonidan (second lowest) division
Noun 
の口 じょのくち 1: this is only the beginning (the real work having yet to begin);
2: lowest division in sumo
Expression, Noun 
開き じょびらき beginnings; origins
Noun, Suru verb 
破急 じょはきゅう artistic modulations in traditional Japanese performances; opening, middle and climax (end)
Noun 
盤戦 じょばんせん early stages (of a game); opening phase
Noun 
ながら ついでながら incidentally; taking the opportunity; while (you) are at it; on the occasion
Noun, Usually written using kana alone 
でが有る ついでがある to have occasion to do
Expression 
でながら ついでながら incidentally; taking the opportunity; while (you) are at it; on the occasion
Noun, Usually written using kana alone 
二段格 じょにだんかく referee officiating the second lowest sumo division
Noun 
の口格 じょのくちかく referee officiating the lowest sumo division
Noun 

Found 30 words.

You can also

Look up kanji details for 序.

Try a Yahoo Jisho search for 序 .
Try a Goo Jisho search for 序 .
Try a Google search for 序 .