OBELUS is a playable word

obelus Scrabble® Dictionary

noun
pl. obeli
a symbol used in ancient manuscripts to indicate a doubtful passage
55 Playable Words can be made from "OBELUS"
   2-Letter Words (9 found)
   3-Letter Words (18 found)
   4-Letter Words (16 found)
   5-Letter Words (9 found)
   6-Letter Words (3 found)