Denshi Jisho — Online Japanese dictionary

そうぎ dispute; quarrel; strike
Common word, Noun 
いかで how
Adverb 
そうは contending for victory; struggling for supremacy
Noun, Suru verb 
あらそい dispute; strife; quarrel; dissension; conflict; rivalry; contest
Common word, Noun 
あらそう 1: to compete; to contest; to contend;
2: to quarrel; to argue; to dispute; to be at variance; to oppose;
3: (usu. in negative form) to deny (e.g. evidence)
Common word, Godan verb with u ending, Intransitive verb 
そうだつ struggle; contest
Common word, Noun, Suru verb 
そうてん point at issue
Common word, Noun 
あらがう to go against; to fight against; to oppose; to resist; to deny
Godan verb with u ending, Intransitive verb 
そうたん beginning of a dispute
Noun 
そうとう strife; struggle
Noun, Suru verb 
そうらん rioting; disturbances
Noun 
そうろん argument; dispute; controversy
Noun, Suru verb 
そうしょう dispute by legal action; contentious
Noun, No-adjective 
議権 そうぎけん right to strike
Noun 
覇戦 そうはせん struggle for supremacy; championship game
Noun 
い事 あらそいごと dispute
Noun 
奪戦 そうだつせん contest; competition; struggle; argument
Noun 
い好き あらそいずき quarrelsome; contentious
Na-adjective 
えない あらそえない indisputable; undeniable; unmistakable
Adjective 
議行為 そうぎこうい direct action; strike
Noun 
い怒る あらそいいかる to be angry and quarrelsome
Godan verb with ru ending 
われない あらそわれない indisputable; undeniable; unmistakable
Expression, Adjective 
い戦う あらそいたたかう to fight with; to contend with
Godan verb with u ending 
い訴える あらそいうったえる to accuse; to rise up in judgment against (judgement)
Ichidan verb 
うべからざる あらそうべからざる indisputable
Expression, Pre-noun adjectival 

You can also

Look up kanji details for 争.

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