LONGNESS is a playable word

longness Scrabble® Dictionary

noun
pl. longnesses
the state of being long
106 Playable Words can be made from "LONGNESS"
   2-Letter Words (11 found)
   3-Letter Words (24 found)
   6-Letter Words (5 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)