I do beseech you,— Though I perchance am vicious in my guess, As, I confess, it is my nature’s plague To spy into abuses, and of my jealousy Shape faults that are not,—that your wisdom yet, From one that so imperfectly conceits, Would take no notice; nor build yourself a trouble Out of his scattering and unsure observance:— It were not for your quiet nor your good, Nor for my manhood, honesty, or wisdom, To let you know my thoughts.
There are no more uses of "observance" in the play.
Show samples from other sources
As her release date neared, Vanessa got increasingly anxious, with a decided uptick in religious observance.
Piper Kerman -- Orange Is the New Black
"Religious observances shouldn’t be denied to anyone."