Common Words by Reading

へそ
50.0%
navel ②protrusion or depression in the middle of an object ③center
fulcrum peg (fitted into the cavity in an oar as part of a traditional oarlock)
ほぞ
50.0%
navel ②protrusion or depression in the middle of an object ③center
to make up one's mind (to do something)
セイ
0.0%
bitter regret
サイ
0.0%
umbilical cord
umbilical cord blood transplant