"disunite" in the verb sense
1. disassociate, dissociate, divorce, disunite, disjoint
part cease or break association with
"She disassociated herself from the organization when she found out the identity of the president"
2. separate, disunite, divide, part
force, take, or pull apart
"He separated the fighting children"
"Moses parted the Red Sea"
Source: WordNet® (An amazing lexical database of English)
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