SERICIN is a playable word

sericin Scrabble® Dictionary

noun
pl. sericins
a kind of protein
65 Playable Words can be made from "SERICIN"
   2-Letter Words (8 found)
   3-Letter Words (19 found)
   4-Letter Words (18 found)
   6-Letter Words (3 found)
   7-Letter Words (2 found)