Cark

n. [A-S. carc, care, perhaps originally an adjective equivalent to cearig, careful, anxious. Cf. W. care, anxiety, care, carg, charge, load, Armor. karg, charge, burden. See CARE and CARGO.] A state of anxiety or oppression under a sense of care; solicitude. [Rare.] “His heavy head, devoid of careful cark.” Spenser.

“Fling cark and care aside.” Motherwell.

To make anxious; to give trouble to; to oppress with care; to worry. [Rare.]

Nor can a man, independently upon the overruling influence of God's blessing, care and cark himself one penny richer. South.