It is the same with cousin (consanguineus), and to cozen or to deceive.
He had come to cozen me into letting him use me in return for a mockery of an honor.
Smile with an intent to do mischief, or cozen him whom he salutes.
The world looks to them as if they could cozen it out of some ways and means of life.
But they cannot cozen it: they can only cozen their neighbours.