Related Clues:

• Frees, in a way
• Frees from one's bonds
• Undoes a knot
• Opens the knot
• Undoes, loosens a knot
• Undoes knot
• Opens knot to release
• When she opens out, one can get the nun to sip (6)
• A loosens like this to a relative extent
• Gets the tide out, by the sound of it
• A loosens like this, relatively so
• When one does this, no longer not, by the sound of it
• Gets loose and A could make them relatively so
• Does be got not in a knot
• Releases Captain held by heartless barbarians