Solutions Untrue story has 6 entries with similar clues

• 4-letter words
• discfor the record, a literally untrue statement
• denyDeclare to be untrue
• 5-letter words
• fibreUntrue statement about essential part of diet
• falseUntrue
• 6-letter words
• deniedDeclared to be untrue
• 13-letter words
• embellishmentDetail often untrue, added to the story to make it more interesting