Is “Who” a Scrabble word?
Yes
WHO
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Who
/huː/
noun
1.A person under discussion; a question of which person.
pronoun
1.(interrogative) What person or people; which person or people; asks for the identity of someone. (used in a direct or indirect question)
“I don't know who it is. (indirect question)”
2.(interrogative) What is one's position; asks whether someone deserves to say or do something.
“I don't like what you did, but who am I to criticize you? I've done worse.”
3.(relative) The person or people that.