14 baby names with a similar sound and feel to Seiichi.
You searched for names like
"God is strength"
"24-hour period"
"stony forest"
"household spirit, ancestral guardian"
"from Flanders, Flemish person"
"from the flowering place"
"glory of the homeland"
"Our Lady of the Pillar (Marian title)"
"the strait, narrow waterway"
"The great; the large"
"of noble birth"
"eagle"
"little raven"
"olive tree; symbol of peace and wisdom"