The phrase "the interplay among" is correct and usable in written English.
You can use it when referring to the complex relationship between two or more entities. For example, "We can see the interplay among the different characters in the novel."
The interplay among the three crackles, with Ms. LaMar especially lively.
Two years in the making, Jeffrey Bauer's "Throne Room" examines the interplay among three people.
And yet this movie's focus, surprisingly, becomes the interplay among the three men, which is constantly changing and deepening.
I'm beginning to see that global competence is also about understanding the interplay among individuals, countries, industries and organizational cultures.
The exhibition, Ms. Freiman said, questions the interplay among the body and art, militarism, commerce, sport and national identity.
"She is almost uniquely qualified to strengthen the interplay" among TRW specialists pursuing image analysis and object recognition, her boss wrote personnel officials after she was hired.
For a peek at what went wrong, it is worth dissecting the interplay among investment opportunities, investors themselves and the framework in which they operated.
Beginning in the nineteen-seventies, he published a series of papers that analyzed the interplay among automation, pilot error, and accidents.
Here and in other towns, in the interplay among tribal chiefs, elected officials and security forces, a new Iraq is taking shape.
Because religion forms a crucial aspect of identity for most Indians, much of India's history can be understood through the interplay among its diverse religious groups.
However, the interplay among these factors remains poorly understood.
