FOCUSING is a playable word

focus Scrabble® Dictionary

noun
pl. focuses or foci
a point at which rays converge or from which they diverge
verb
focused, focusing, focuses or focussed, focussing, focusses
to bring to a focus
126 Playable Words can be made from "FOCUSING"
   2-Letter Words (15 found)
   6-Letter Words (10 found)
   7-Letter Words (1 found)
   8-Letter Words (1 found)