TINKER is a playable word

tinker Scrabble® Dictionary

verb
tinkered, tinkering, tinkers
to repair in an unskilled or experimental manner
57 Playable Words can be made from "TINKER"
   2-Letter Words (10 found)
   3-Letter Words (16 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)