CYCLIN is a playable word

cyclin Scrabble® Dictionary

noun
pl. cyclins
any of a group of proteins that control the cell cycle
10 Playable Words can be made from "CYCLIN"
   2-Letter Words (2 found)
   3-Letter Words (4 found)
   4-Letter Words (2 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)