2 Chronicles 7:9

7:9 On the eighth day they held an assembly, for they had dedicated the altar for seven days and celebrated the festival for seven more days.

2 Chronicles 21:15

21:15 And you will get a serious, chronic intestinal disease which will cause your intestines to come out.” ¹ 

[21:15]  ¹ tn Heb “and you [will have] a serious illness, an illness of the intestines until your intestines come out because of the illness days upon days.”