RESERVER is a playable word

reserver Scrabble® Dictionary

noun
pl. reservers
one that reserves
44 Playable Words can be made from "RESERVER"
   2-Letter Words (3 found)
   3-Letter Words (11 found)
   4-Letter Words (9 found)
   5-Letter Words (7 found)
   6-Letter Words (6 found)
   7-Letter Words (5 found)
   8-Letter Words (3 found)