Which preposition to use with perfectness

of Occurrences 9%

Again, with all possible respect for the feelings of the living, the biographer has wisely suppressed nothing needed to bring out truthfully the ruggednesses and irregularities that characterize the strong and somewhat one-sided development of genius as contrasted with the regular features and insipid perfectness of things wrought on a small scale.

before Occurrences 1%

Edward, in the meantime, unable to sit still from restlessness and impatience, stole away out of his concealment along solitary paths known only to foresters and fishermen, into his park; and he found himself toward evening in the copse close to the lake, the broad mirror of which he now for the first time saw spread out in its perfectness before him.

from Occurrences 1%

It is rather odd that Dr. Barnard had once a sharp altercation with Johnson, and avenged himself by a sarcastic copy of verses in which, after professing to learn perfectness from different friends, he says, Johnson shall teach me how to place, In varied light, each borrow'd grace; From him I'll learn to write; Copy his clear familiar style, And by the roughness of his file, Grow, like himself, polite.

Which preposition to use with  perfectness