PIONEER is a playable word

pioneer Scrabble® Dictionary

verb
pioneered, pioneering, pioneers
to take part in the beginnings of
82 Playable Words can be made from "PIONEER"
   2-Letter Words (14 found)
   3-Letter Words (24 found)
   5-Letter Words (9 found)
   6-Letter Words (6 found)
   7-Letter Words (2 found)