Untwine

The rope must be then untwined and the middle of each strand laid across the top and stitched down along the pencil line, half the length falling on one side, half on the other.

Source: wiktionary

Woe to the revolutionist who is not himself a creature of the revolution! If he anticipate, he is lost; for it requires, what no individual can supply, a long and powerful counter-sympathy in a nation to untwine the ties of custom which bind a people to the established and the old.

Source: wiktionary

She then untwined the snake from her body, and held it by the tail high above her.

Source: wiktionary

She stood her ground until he reached her and flung both arms around her neck, dragging her to the floor. She later said the police had to untwine him before he could be taken to the ambulance.

Source: wiktionary