REGRATE is a playable word

regrate Scrabble® Dictionary

verb
regrated, regrating, regrates
to buy up in order to sell for a higher price in the same area
83 Playable Words can be made from "REGRATE"
   2-Letter Words (9 found)
   3-Letter Words (28 found)
   4-Letter Words (17 found)
   6-Letter Words (9 found)
   7-Letter Words (2 found)