RISTRAS is a playable word

ristra Scrabble® Dictionary

noun
pl. ristras
a string on which foodstuffs are tied for storage
67 Playable Words can be made from "RISTRAS"
   2-Letter Words (9 found)
   3-Letter Words (20 found)
   4-Letter Words (17 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)