Which preposition to use with sinless

as Occurrences 1%

Here we are considering love as a conscious feeling and ideal, and as such it is as spotless and sinless as the most confirmed ascetic could wish it.

in Occurrences 1%

Sinless in life, her death, then, was without sting; and turning our thoughts inwardly, we murmured her prayers for the dead, and wished that they might have been her burial-service.

Which preposition to use with  sinless