Importunity

Then way what loſſe your honor may ſuſtaine / If with too credent eare you liſt his ſongs / Or looſe your hart, or your chaſt treaſure open / To his vnmaſtred importunity.

Source: wiktionary

I say vnto you, Though he will not rise, and giue him, because he is his friend: yet because of his importunitie, hee will rise and giue him as many as he needeth.

Source: wiktionary

The truth of my Third Accuſation is confeſt, but the guilt, not acknovvledged; ſince that vvhich excites men to endleſs bavvlings, and altercations; Schiſms, Hereſies and Rebellions, by the vehemencies of Diſpute, is it ſeems vvith our Author no more noxious and criminal, then the Sun that ſtirrs men up to their vvork in the morning, by the importunity of it's beams.

Source: wiktionary

For if through Importunity, a poor VVidovv-vvoman may prevail vvith an unjuſt Judge; and ſo conſequently vvith an unmerciful and hard-hearted Tyrant, hovv much more ſhall the poor, afflicted, diſtreſſed, and tempted People of God, prevail vvith, and obtain Mercy at the Hands of a loving, juſt, and merciful God?

Source: wiktionary