战场 

Pinyin: zhàn chǎng 
Meaning：Battlefield  
Sentence：战场圣地以纪念战死在这里的战士。This battle field is consecrated to the memory of the soldiers who died here.

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战： 

Pinyin: zhàn 
Meaning: War; to fight
Radical: 戈
Stokes: 9
Traditional: 戰
Common words/Phrase:
战略[zhàn luè] 【strategy】
战争[zhàn zhēng] 【war; conflict】
战斗[zhàn dòu] 【to fight】
战士[zhàn shì] 【soldier; warrior】
战胜[zhàn shèng] 【prevail]

场 

Pinyin: chǎng,cháng
Meaning: Field; place; a courtyard
Radical: 土
Stokes: 6
Traditional: 場
Common words/Phrase: 
场景 [chǎng jǐng] 【scene】 
场地 [chǎng dì] 【space】 
场所 [chǎng suǒ] 【location】
场合 [chǎng hé] 【occasion】
场面 [chǎng miàn] 【occasion