SUBCLASSED is a playable word

subclass Scrabble® Dictionary

verb
subclassed, subclassing, subclasses
to place in a subdivision of a class
314 Playable Words can be made from "SUBCLASSED"
   2-Letter Words (14 found)
   8-Letter Words (4 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)