The phrase "its intermingling" is correct and usable in written English.
It is a phrase that is used to describe two or more things that are coming together and mixing, usually in an unpredictable way. For example, "The colors of the sunset created an awe-inspiring landscape, the result of its intermingling laterite reds, coral pinks, and sugary yellows."
What made it path breaking was its intermingling of the names of Union and Confederate fallen heretofore denied wherever such a tribute had been built: Above or below the Mason-Dixon.
With its intermingling of personal confession and public significance, it is a real masterpiece of the first wave of the nonfiction novel, as good, in its more sober way, as Mailer's "Armies of the Night".
They spread chaos and killing through a city famous for its culture, its intermingling of influences, its freedom of expression.
To an audience that hardly knew the borough, Frazier celebrated its intermingling of saltwater and freshwater, calling the island "one of the great natural places in the world — a blessed place".
Rather than just bolting on Stories, its intermingling the feature across the Facebook app.
American Urban Life confuses us in its intermingling of endless repetition with ceaseless change.
This troupe from Berlin continues its unthreatening intermingling and exploration of dancers and audience members in its new "Deluxe Joy Pilot".
The maturing startup ecosystem in Brazil has benefited hugely from access to Cubo, the largest entrepreneurial hub in Latin America, and its constant intermingling and exchange of ideas between startup founders, investors, academics and government officials.
"Chaos" moves at a constant dogtrot, adeptly intermingling its elements.
Our global economic system stretches its tentacles everywhere, intermingling the good with the evil, the just with the unjust.
But when it first tested in Philadelphia, the original show, which banned humans from intermingling with its puppet cast, was not a hit.
