Is “Tapu” a Scrabble word?
Yes
TAPU
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 Tapu
/ˈtɑːpuː/
noun
1.An inhibition or ban that results from social custom or emotional aversion.
2.(in Polynesia) Something which may not be used, approached or mentioned because it is sacred.
verb
1.To mark as taboo.
2.To ban.
3.To avoid.