20 baby names with a similar sound and feel to Kastiel.
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"luminous, radiant"
"from Avellino, place of hazel trees"
"son of Lawrence"
"young"
"made holy by God's favor"
"unit of luminous flux (scientific)"
"peace"
"God will uplift"
"from the ash tree grove"
"the praised one, the chosen one"
"modern variant of David"
"from Sebaste (via Sebastian)"
"defender of mankind"
"fair-haired one"
"immortal, divine"
"dweller by the dark meadow"
"patient endurance"
"one who sacrifices for others"
"oar (of a boat)"
"from the new estate"