STICKTIGHTS
Scrabble letter values: S1T1I1C3K5T1I1G2H4T1S1 = 21
Definition
STICKTIGHTS is the plural of STICKTIGHT.
noun STICKTIGHT: any of several plants of the genus Bidens having yellow flowers and prickly fruits that cling to fur and clothing.
Synonyms of STICKTIGHT: bur_marigold, burr_marigold, beggar-ticks, beggar's-ticks