Grave
Tomb
noun
ふんぼ
墓 (はか) Grave
墳墓 (ふんぼ) Grave, Tomb
墓碑 (ぼひ) Gravestone, Tombstone
墓地 (ぼち) Cemetery, Graveyard
墓場 (はかば) Graveyard
霊園 (れいえん) Cemetery
古墳 (こふん) Ancient Tomb, Kofun
A funeral ふん boat ぼ is like a Grave for vikings.
Even a fun ふん boat ぼ can become a Grave in a storm.