GOSSAN is a playable word

gossan Scrabble® Dictionary

noun
pl. gossans
a type of decomposed rock
44 Playable Words can be made from "GOSSAN"
   2-Letter Words (9 found)
   3-Letter Words (15 found)
   4-Letter Words (14 found)
   5-Letter Words (5 found)
   6-Letter Words (1 found)