SUBSERES is a playable word

subsere Scrabble® Dictionary

noun
pl. subseres
a type of ecological succession
74 Playable Words can be made from "SUBSERES"
   2-Letter Words (5 found)
   3-Letter Words (19 found)
   6-Letter Words (4 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)