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	Cosmina	Peace with life; Praise; Commend. It is the Romanian form of "Cosmas".
	Cossa	A courteous and efficient human being
	Costa	Firm; Secure; Stable; Steadfast
	Costache	Romanian form of Constantin, meaning constant, steadfast.
	Costantino	Constant; Steady; Diminutive of Constantin; Stable
	Costas	Constant or steady. It's the short form of Constantine.
	Costel	Constant; Steadfast; Diminutive of Constantin
	Costello	Son of Oisdealbhaigh
	Costentyn	The Cornish form of Constantin. It means constant or steady.