déversement bedeutet auf Englisch

spill [spills]▼◼◼◼(something that has been dropped)
noun
[UK: spɪl] [US: ˈspɪl]

spillage [spillages]▼◼◼◻noun
[UK: ˈspɪ.lɪdʒ] [US: ˈspɪ.lɪdʒ]

outpouring [outpourings]▼◼◻◻(sudden flowing of a large amount of something)
noun
[UK: ˈaʊt.pɔːr.ɪŋ] [US: ˌɑːwt.ˈpɔːr.ɪŋ]