SIBLING is a playable word

sibling Scrabble® Dictionary

noun
pl. siblings
one having the same parents as another
47 Playable Words can be made from "SIBLING"
   2-Letter Words (6 found)
   3-Letter Words (15 found)
   4-Letter Words (17 found)
   5-Letter Words (5 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)