Sicker

v. i.	1.	(Mining) To percolate, trickle, or ooze, as water through a crack.
a.	1.	Sure; certain; trusty. When he is siker of his good name. - Chaucer.
adv.	1.	Surely; certainly. Believe this as siker as your creed. - Chaucer. Sicker, Willye, thou warnest well. - Spenser.