Is “Curiosa” a Scrabble word?
Yes
CURIOSA
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 Curiosa
/ˌkjʊə.ɹɪˈəʊ.sə/
noun
1.Curiosities, especially erotic or pornographic books or articles.