TACANS is a playable word

tacan Scrabble® Dictionary

noun
pl. tacans
a navigational system for aircraft
40 Playable Words can be made from "TACANS"
   2-Letter Words (6 found)
   3-Letter Words (12 found)
   4-Letter Words (15 found)
   5-Letter Words (5 found)
   6-Letter Words (2 found)