Which preposition to use with profuseness

of Occurrences 5%

At last, the great house having been completed, and he himself having entered into it and furnished it to his satisfaction, our Captain presently began entertaining his friends therein with a profuseness of expenditure and an excess of extravagance that were the continued admiration of the whole colony.

with Occurrences 2%

The profuseness with which flowers were used in Rome during triumphal processions has long ago become proverbial, in allusion to which Macaulay says: "On they ride to the Forum, While laurel boughs, and flowers, From house-tops and from windows, Fell on their crests in showers.

Which preposition to use with  profuseness