Which preposition to use with inexactitude

in Occurrences 1%

I therefore communicate them to Congress, with a report of the Secretary of State noting their effect on the former statement and correcting certain errors in it which arose partly from inexactitude in some of the returns and partly in analyzing, adding, and transcribing them while hurried in preparing the other voluminous papers accompanying that message. TH.

of Occurrences 1%

There was more sting in the speech of Mr. DAVISON, and one Churchillian phrase: "They could not maintain constitutional government on the theoretical inexactitudes of kaleidoscopic politicians," which evidently pleased the originator.

Which preposition to use with  inexactitude