Is “Seppuku” a Scrabble word?
Yes
SEPPUKU
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 Seppuku
/sɛˈpuːkuː/
noun
1.A form of ritual suicide by disembowelment using a blade, practiced by Japanese samurai, especially to rid oneself of shame, as a means of protest or, formerly, as a method of capital punishment.
Synonyms: hara-kiri