Which preposition to use with morbidities

of Occurrences 2%

She had pierced Dorn's fatalistic consciousness with the truth and glory of possible life, as opposed to the dark and evil morbidity of war.

from Occurrences 1%

There is something pathetic in the loving regard of the middle-aged man for the young man's coat (I will not say winding-sheet, that is a morbidity from which the middle-aged shrink).

Which preposition to use with  morbidities