14 baby names with a similar sound and feel to Halcyon.
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"king, ruler"
"king who speaks wisdom"
"crooked nose (distinctive feature)"
"happy, blessed, fortunate"
"place of destruction, the abyss"
"raspberry (fruit)"
"one warrior, lone warrior"
"from the barley meadow (topographic)"
"my pride, my genius, my eminence"
"the wryneck bird used in ancient magic"
"to buy, to trade, merchant"
"Water of life; the distilled spirit drink"
"mercy of God"
"Possibly lion (from Levon/Leon) or a modern creative invention"