SEPPUKU is a playable word

seppuku Scrabble® Dictionary

noun
pl. seppukus
a Japanese form of suicide
29 Playable Words can be made from "SEPPUKU"
   2-Letter Words (4 found)
   3-Letter Words (12 found)
   4-Letter Words (10 found)
   5-Letter Words (2 found)
   7-Letter Words (1 found)