HYPOING is a playable word

hypo Scrabble® Dictionary

verb
hypoed, hypoing, hypos
to inject with a hypodermic needle
64 Playable Words can be made from "HYPOING"
   2-Letter Words (14 found)
   3-Letter Words (22 found)
   4-Letter Words (16 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)