LACUNA is a playable word

lacuna Scrabble® Dictionary

noun
pl. lacunas or lacunae
an empty space or missing part
(adjective) lacunal, lacunary, lacunate
25 Playable Words can be made from "LACUNA"
   2-Letter Words (7 found)
   3-Letter Words (6 found)
   4-Letter Words (8 found)
   5-Letter Words (2 found)
   6-Letter Words (2 found)