"most often discussed" is correct and usable in written English.
You can use it when you want to emphasize the frequency with which a particular topic is discussed or referred to. For example, "The financial crisis of 2008 is one of the most often discussed topics in economic circles."
But as recently as the 2000 presidential election, political scientists Robert Huckfeldt, Paul Johnson, and John Sprague found that about 65percentt of Republicans and Democrats had homogeneous discussion networks — meaning, none of the people with whom they most often discussed politics were voting for the opposing presidential candidate.
Hynde, like many female artists over the age of thirty, is most often discussed as a vocalist and a personality.
The two options that are most often discussed are to break up the banks or impose a capital charge.
Feelings were most often discussed when both doctor and patient were female, and younger doctors who considered themselves more "socioemotional" than "technical" gave empathetic replies more often.
Those are the three executives who are most often discussed, he says, "but there are other young people whom we don't write off".
The elements that are most often discussed in terms of optimizing the experience had by the audience, by contrast, revolve around audience comfort.
Most often, discussing the issue with a professional paves the way to a more productive discussion with a mate.
Who are the candidates that conservatives most often discuss as likely to fill a Supreme Court vacancy under the Bush administration?
Although, as a society, we tend to most often discuss mental illness in catastrophic circumstances.
While private foundations and donor-advised funds are by no means the only options for managing charitable giving, they are the most frequently discussed and, quite often, the most misunderstood.
The most ambitious suggestion often discussed is for a standing United Nations military force.
