Is IMSRG a valid Scrabble word?
NO — IMSRG is not a valid Scrabble US word
Scrabble® and Words With Friends® points for IMSRG
The word IMSRG is not valid in Scrabble US/CAN.
IMSRG is not valid in Scrabble UK (World).
IMSRG is not valid in Words With Friends.