REGRET is a playable word

regret Scrabble® Dictionary

verb
regretted, regretting, regrets
to look back upon with sorrow or remorse
22 Playable Words can be made from "REGRET"
   2-Letter Words (4 found)
   3-Letter Words (11 found)
   4-Letter Words (4 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)