LACUNAE is a playable word

lacuna Scrabble® Dictionary

noun
pl. lacunas or lacunae
an empty space or missing part
(adjective) lacunal, lacunary, lacunate
62 Playable Words can be made from "LACUNAE"
   2-Letter Words (11 found)
   3-Letter Words (16 found)
   4-Letter Words (19 found)
   5-Letter Words (7 found)
   6-Letter Words (7 found)
   7-Letter Words (2 found)