CATENA is a playable word

catena Scrabble® Dictionary

noun
pl. catenas or catenae
a closely linked series
43 Playable Words can be made from "CATENA"
   2-Letter Words (10 found)
   3-Letter Words (17 found)
   4-Letter Words (11 found)
   5-Letter Words (4 found)
   6-Letter Words (1 found)