FUSAIN is a playable word

fusain Scrabble® Dictionary

noun
pl. fusains
a fine charcoal used in drawing
45 Playable Words can be made from "FUSAIN"
   2-Letter Words (12 found)
   3-Letter Words (16 found)
   4-Letter Words (12 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)