Is “Oka” a Scrabble word?
Yes
OKA
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 Oka
/ˈɒkə/
noun
1.A former Turkish, Egyptian, Hungarian, and Romanian unit of weight, usually of a little more than a kilogram.
2.A unit of volume in Egypt (and formerly Turkey) corresponding to about 1.2 litres.