SINEWING is a playable word

sinew Scrabble® Dictionary

verb
sinewed, sinewing, sinews
to strengthen
73 Playable Words can be made from "SINEWING"
   2-Letter Words (9 found)
   3-Letter Words (19 found)
   5-Letter Words (13 found)
   6-Letter Words (6 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)