bloodline vs descent

bloodline and descent both are nouns.

Word	Noun	Adjective	Verb	Adverb
bloodline	Yes	No	No	No
descent	Yes	No	No	No

As nouns, bloodline and descent are synonyms defined as:

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

bloodline (noun)	descent (noun)
ancestry of a purebred animal	the act of changing your location in a downward direction
the hereditary derivation of an individual	properties attributable to your ancestry
	a movement downward
	the hereditary derivation of an individual
	a downward slope or bend
	the kinship relation between an individual and the individual's progenitors