Unknit
(Un*knit") v. t. [1st un- + knit.] To undo or unravel what is knitted together.
Fie, fie! unknit that threatening unkind brow.
Shak. Unknot
(Un*knot") v. t. [1st un- + knot.] To free from knots; to untie.
Unknow
(Un*know") v. t. [1st un- + know.]
1. To cease to know; to lose the knowledge of. [Obs.]
2. To fail of knowing; to be ignorant of. [Obs.]
Unknow
(Un*know"), a. [See Un- not, Know.] Unknown. [Obs.] "French of Paris was to her unknow."
Chaucer.