"large common ground" is correct and usable in written English.
It is usually used to refer to a large area of agreement between two parties who have different perspectives on a topic or issue. For example, "Despite the political differences between the two candidates, they found large common ground on numerous issues."
Late in the day, Mr. Thomas issued a second statement saying that there is "already a large area of common ground between Republicans and Democrats" and that Republicans would restart negotiations -- if Mr. Daschle would drop his insistence that a large majority of Senate Democrats approve any compromise.
The view taken by Stalnaker is a highly common one: individuals have various assumptions about the information that is being shared, prior to the exchange of information, which is, subsequently, added to the already existing and fairly large pool of common ground.
But these differences existed alongside large areas of common ground.
The 2008 financial crisis helped policy makers find a larger patch of common ground.
Vladimir Putin, a former officer of the K.G.B., was the first post-Soviet leader to deliver a state prize to Solzhenitsyn, who had spent a lifetime in a death struggle with the K.G.B.; a large part of their common ground was a rough notion of what Russia encompassed.
His large attempt was to find common ground between the observable natural world and the worlds of myths and mysticism.
Some Latino groups, like Puerto Ricans and Dominicans, who themselves have large black populations, find more common ground with African-Americans than others.
Fortunately, in the meantime tech companies large and small have found common ground in supporting judicial, legislative and other efforts that could make the patent system less vulnerable to patent troll abuses.
Do you ever take things personally in an argument, or can you surrender to a larger picture which embraces the common ground for all concerned?
