What's the difference between cringle and tringle?

Cringle

Definition:

(n.) A withe for fastening a gate.
(n.) An iron or pope thimble or grommet worked into or attached to the edges and corners of a sail; -- usually in the plural. The cringles are used for making fast the bowline bridles, earings, etc.

Example Sentences:

(1) The plasmin-fibrin interaction mediated by sites of the first four cringles is not associated with changes in the catalytic function of the active centre.
(2) The Liberal Democrats will make sure it’s a contest,” he said while campaigning in Cringle Park in south Manchester.
(3) Walking her dogs in Cringle Park, Laurie Sage, 37, said she had been a longtime Labour voter in Gorton, but she said the party could no longer count on her support because of Corbyn’s “weak” stance on Brexit.