Ravel

εκτυλίσσω

ektylísso

(to unwind (a reel of thread, a skein of yarn, etc.); to pull apart (cloth, a seam, etc.); to pull out (a string of yard, a thread, etc.) from a piece of fabric, or a skein or reel — see also fray, unpick, unravel)

ξεμπερδεύω

xemperdévo

(to undo the intricacies of (a problem, etc.) — see also clarify, disentangle)