决堤 

Pinyin: jué dī 
Meaning：To burst the banks; Breaching of dyke
Sentence: 河岸决堤后, 田地遭洪水淹没.When the river burst its banks the fields were inundated.

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决： 

Pinyin: jué
Meaning: Breach (a dyke); to decide; to determine
Radical: 冫
Stokes: 6
Traditional: 决
Common words/Phrase:
决定 [jué dìng] 【decide】
决赛 [jué sài] 【finals】
决心 [jué xīn] 【determination】
决议 [jué yì] 【resolution】
决战 [jué zhàn] 【a decisive battle】

堤： 

Pinyin: dī
Meaning: Dike; dyke
Radical: 土
Stokes: 12
Traditional: 堤
Common words/Phrase:
堤坝 [dī bà] 【dyke】 
堤防 [dī fáng] 【embankment】
堤岸 [dī àn] 【leveed bank】
堤顶 [dī dǐng] 【levee crown】