LONELIER is a playable word

lonely Scrabble® Dictionary

adjective
lonelier, loneliest
sad from lack of companionship
(adverb) lonelily
91 Playable Words can be made from "LONELIER"
   2-Letter Words (13 found)
   3-Letter Words (23 found)
   6-Letter Words (7 found)
   7-Letter Words (2 found)
   8-Letter Words (1 found)