Is “Rho” a Scrabble word?
Yes
RHO
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 Rho
/ɹəʊ/
noun
1.The seventeenth letter of the Modern Greek and Classical alphabets and the nineteenth letter of Old and Ancient.
2.The sensitivity of the option value to the risk-free interest rate.