commingle
verb[T]
FINANCEuk/kəˈmɪŋɡl/ustomixanamountofmoneybelongingto oneperson,business, oraccountwith that of another when themoneyshould have beenkeptseparate:
commingle sth between sthTheschoolsregularlycommingledfundsbetweenaccounts.
commingling
noun[U]
He had toanswerquestionsabout the commingling ofendowmentfundswith othermuseumfunds.