KNITTER is a playable word

knitter Scrabble® Dictionary

noun
pl. knitters
one that knits
72 Playable Words can be made from "KNITTER"
   2-Letter Words (10 found)
   3-Letter Words (18 found)
   5-Letter Words (13 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)