Is ER a valid Scrabble word?
YES — ER is a valid Scrabble word 2 points
Scrabble® and Words With Friends® points for ER
ER is a valid Scrabble US/CAN word worth 2 points:
E1R1
ER is valid in Scrabble UK (World) —
E1R1
ER is a valid Words With Friends word worth 2 points:
E1R1