blood sister

A girl or woman who has sworn loyalty to another despite not being biologically related. Sally and Rita are such good friends, you rarely see one without the other. They're blood sisters.

Common Names:

Name	Pronounced	Usage
Tilda	TEEL-dah (Finnish)	English, Swedish, Finnish
Ed	[ed]
Ros	RAHZ, RAHS	English
HjÖRtur	-	Icelandic
Anush	-	Armenian
Huntley	['hʌntli]