'forcing of' is correct and usable in written English
For example, "The forcing of thousands of people out of their homes was a tragedy."
For his proofs Cohen introduced a new method (called forcing) of constructing interpretations of ZF + AC.
Some slight forcing of courtesy, on his part, made Meriel think that she had sounded obnoxious.
The kid and the judge in their grappling are "a forcing of the unity of existence".
And that forcing of his hand is a testament, I think, to the power of moral absolutism in politics.
In almost all of them, machining involves the forcing of a cutting tool against the material to be shaped.
It has for years campaigned to reverse an apology from Japan over the forcing of Korean women into wartime brothels.
DH Lawrence, a radical rightist, denounced "the base forcing of all human energy into a competition of mere acquisition".
And no one thinks of teaching, in that context, as a kind of forcing of the will.
DH Lawrence recoiled fruitfully from "the base forcing of all human energy into a competition of mere acquisition".
"There is going to be a forcing of creating special products that won't be in Wal-Mart.
War is the ultimate game because war is at last a forcing of the unity of existence.
