Which preposition to use with leasure

as Occurrences 1%

' 'She is not so much at leasure as to windlace, or use craft, to satisfy them.'

for Occurrences 1%

life!if thou art perfectly at leasure for such trivial amusement, walk in, and view the wonders of my INCHANTED GARDEN.

Which preposition to use with  leasure