Which preposition to use with brutishness

of Occurrences 4%

Or was this only one other instance of the barbaric brutishness of those who so insistently sought his life?

than Occurrences 1%

I can conceive no deeper fall into utter brutishness than that; and yet some few of the most savage tribes, both in Africa and in the Indian islands, are saidGod help them!to live in that way, and to have no names;blotted, indeed, out of the book of life!

Which preposition to use with  brutishness