unpractisedness

He ascribes all honesty to an unpractisedness in the world, and conscience a thing merely for children.

Microcosmography or, a Piece of the World Discovered; in Essays and Characters John Earle

And though I have been told it shows an unpractisedness in the world, and betrays to all that understand it better, yet since it is a quality I was not born with, nor ever like to get, I have always thought good to maintain that 'twas better not to need it than to have it.

The Love Letters of Dorothy Osborne to Sir William Temple, 1652-54 Parry, Edward A 1901

And though I have been told it shows an unpractisedness in the world, and betrays one to all that understand it better, yet since it is a quality I was not born with, nor ever like to get, I have always thought good to maintain that it was better not to need it than to have it.

Letters from Dorothy Osborne to Sir William Temple (1652-54) 1888