Untangle vs. Detangle
Difference Between Untangle and Detangle
(transitive) To remove tangles or knots from.With gentle combing, untangle your hair.
(transitive) To disentangle, remove tangles from (especially hair).
To remove confusion or mystery from.It took a while, but he finally untangled the problem.
release from entanglement of difficulty;I cannot extricate myself from this task
become or cause to become undone by separating the fibers or threads of;the sweater unravelled