DEFTNESS is a playable word

deftness Scrabble® Dictionary

noun
pl. deftnesses
the quality of being deft
105 Playable Words can be made from "DEFTNESS"
   2-Letter Words (9 found)
   3-Letter Words (24 found)
   6-Letter Words (6 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)