CLANK is a playable word

clank Scrabble® Dictionary

verb
clanked, clanking, clanks
to make a sharp, metallic sound
13 Playable Words can be made from "CLANK"
   2-Letter Words (5 found)
   3-Letter Words (3 found)
   4-Letter Words (4 found)
   5-Letter Words (1 found)