blood line vs lineage

blood line and lineage both are nouns.

Word	Noun	Adjective	Verb	Adverb
blood line	Yes	No	No	No
lineage	Yes	No	No	No

As nouns, blood line and lineage are synonyms defined as:

Other synonyms of blood line include ancestry, blood, bloodline, descent, line, line of descent, origin, parentage, pedigree, stemma, stock.

blood line (noun)	lineage (noun)
the hereditary derivation of an individual	inherited properties shared with others of your bloodline
	the hereditary derivation of an individual
	a rate of payment for written material that is measured according to the number of lines submitted
	the number of lines in a piece of printed material
	the kinship relation between an individual and the individual's progenitors