Which preposition to use with unsoundness

of Occurrences 17%

Her statement that she was Lady Glyde was held to be proof of the unsoundness of her mind.

in Occurrences 2%

She would cling to him and cover him with the blossoms of her affection; nay, if there were unsoundness in the stem, these very blossoms would cover the rottenness.

on Occurrences 2%

One of Mr. Keble's curates, Mr. Peter Young, had been refused Priest's orders by the Bishop of Winchester, for alleged unsoundness on the doctrine of the Eucharist.

about Occurrences 1%

When silicon is used there is a tendency to unsoundness about the exterior of the ingot, which is surrounded by a honeycomb-like cellular casing of greater or less depth; while with manganese the vesicular cavities are more or less dispersed through the whole substance, or concentrated toward the interior of the ingot.

as Occurrences 1%

In Rousseau's "New Héloïse" there are the same contradictions, the same paradoxes, the same unsoundness as in his other works, but it is more eloquent than any.

with Occurrences 1%

In fact, every instance of complete intoxication is a case of temporary insanity, that is, of mental unsoundness with loss of self-control.

Which preposition to use with  unsoundness