Cark /(kärk)/

Cark

n.
  1. A noxious or corroding care; solicitude; worry. [Archaic.]
    His heavy head, devoid of careful cark.
    Fling cark and care aside.
    — Motherwell.
    Freedom from the cares of money and the cark of fashion.
    — R. D. Blackmore.

Cark

v. i.
  1. To be careful, anxious, solicitous, or troubled in mind; to worry or grieve. [R.]

Cark

v. t.
  1. To vex; to worry; to make by anxious care or worry. [R.]
    Nor can a man, independently . . . of God's blessing, care and cark himself one penny richer.