consonancy

noun

1. (countable, obsolete, uncountable)Congruity; consistency.

   “But let me conjure you, by the rights of our fellowship, by the consonancy of our youth, by the obligation of our ever-preserved love, and by what more dear a better proposer can charge you withal, be even and direct with me whether you were sent for or no.”

   “All wᶜʰ I have thus largely ſet down to ſhew the perfect conſonancie of our perſecuted Church to the doctrine of Scripture and Antiquity in this point, whereon ſo much depends for the ſtating & determining other differences, which have alſo a ſpecial influence on practiſe.”

   “[Justices] daily in Term-time Converſe and Conſult with one another; […] and by this Means their Judgments and their Adminiſtrations of Common Juſtice carry a Conſonancy, Congruity, and Uniformity one to another, whereby both the Laws and the Adminiſtrations thereof are preſerved from that Confuſion and Diſparity that would unavoidably enſue, if the Adminiſtration was by ſeveral incommunicating Hands, or by provincial Eſtabliſhments: […]”