bloodline vs filiation

bloodline and filiation both are nouns.

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

As nouns, filiation is a hypernym of bloodline; that is, filiation is a word with a broader meaning than bloodline:

Other hypernyms of bloodline include ancestry, derivation, lineage.

bloodline (noun)	filiation (noun)
ancestry of a purebred animal	inherited properties shared with others of your bloodline
the hereditary derivation of an individual	the kinship relation between an individual and the individual's progenitors