ROSIN is a playable word

rosin Scrabble® Dictionary

verb
rosined, rosining, rosins
to treat with rosin (a brittle resin)
33 Playable Words can be made from "ROSIN"
   2-Letter Words (9 found)
   3-Letter Words (11 found)
   4-Letter Words (8 found)
   5-Letter Words (5 found)