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	Constans	Constant; never changing; steadfast; persistent and sustained
	Constantijn	Constant; persistent; a thing that remains the same and does not change
	Constantino	Stable and constant; never undergoes any change
	Constantinos	Stable and steady; constant; something that can never change
	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
	Costentyn	The Cornish form of Constantin. It means constant or steady.