KATANA is a playable word

katana Scrabble® Dictionary

noun
pl. katanas
a Japanese single-edged sword
17 Playable Words can be made from "KATANA"
   2-Letter Words (6 found)
   3-Letter Words (4 found)
   4-Letter Words (5 found)
   5-Letter Words (1 found)
   6-Letter Words (1 found)