CARDIA is a playable word

cardia Scrabble® Dictionary

noun
pl. cardias or cardiae
an opening of the esophagus
31 Playable Words can be made from "CARDIA"
   2-Letter Words (6 found)
   3-Letter Words (9 found)
   4-Letter Words (10 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)