Which preposition to use with diffuseness

of Occurrences 4%

Our literature also possesses such short "sketches," but the love of psychological detail in the development of the plot nearly always results in the greater diffuseness of the novel.

in Occurrences 1%

His facility in versification led him to diffuseness in his poems, and the modest estimation in which he held his work, when done, was a discouragement to the limae labor so necessary to perfection.

Which preposition to use with  diffuseness