SHALLOWEST is a playable word

shallow Scrabble® Dictionary

adjective
shallower, shallowest
having little depth
verb
shallowed, shallowing, shallows
to make shallow
539 Playable Words can be made from "SHALLOWEST"
   2-Letter Words (27 found)
   3-Letter Words (84 found)
   8-Letter Words (6 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)