Which preposition to use with flightiness

of Occurrences 3%

The flightiness of his mirth rendered him often guilty of offences against the decorum of a Puritan household, and on these occasions he did not invariably escape rebuke.

in Occurrences 1%

This glimpse of his father's mastery of every detail of that organization which he had built, this glimpse of cool, self-centered authority, only reminded Jack of his own ignorance and flightiness in view of all that would be expected of him.

than Occurrences 1%

I myself (I remember) guessed right, mainly because the name Giselle seemed to me more suggestive of flightiness than the staid and sober Leonore, wherefore I suspected that M. Hervieu, in order to throw dust in our eyes, had given it to the virtuous lady.

Which preposition to use with  flightiness