UNKNOTTING
Scrabble letter values: U1N1K5N1O1T1T1I1N1G2 = 15
Definition
UNKNOTTING is the present participle of UNKNOT.
verb UNKNOT: become or cause to become undone by separating the fibers or threads of.
Synonyms of UNKNOT: unravel, unscramble, untangle, unpick