SUBECHO is a playable word

subecho Scrabble® Dictionary

noun
pl. subechoes
an inferior echo
75 Playable Words can be made from "SUBECHO"
   2-Letter Words (13 found)
   3-Letter Words (29 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)