Is “Koha” a Scrabble word?
Yes
KOHA
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 Koha
/ˈkəʊhə/
noun
1.A Māori tradition of reciprocal giving of gifts.
2.(by extension) A voluntary donation given for a service that has been provided.