CLINKER is a playable word

clinker Scrabble® Dictionary

verb
clinkered, clinkering, clinkers
to form fused residue in burning
76 Playable Words can be made from "CLINKER"
   2-Letter Words (8 found)
   3-Letter Words (20 found)
   5-Letter Words (13 found)
   6-Letter Words (6 found)
   7-Letter Words (2 found)