SIKSIKS is a playable word

siksik Scrabble® Dictionary

noun
pl. siksiks
the Arctic ground squirrel
10 Playable Words can be made from "SIKSIKS"
   2-Letter Words (3 found)
   3-Letter Words (3 found)
   4-Letter Words (2 found)
   6-Letter Words (1 found)
   7-Letter Words (1 found)