descent vs filiation

descent and filiation both are nouns.

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

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

Other hypernyms of descent include ancestry, derivation, lineage.

As nouns, descent and filiation are synonyms defined as:

descent and filiation: the kinship relation between an individual and the individual's progenitors

Other synonyms of descent include line of descent, lineage.

descent (noun)	filiation (noun)
the act of changing your location in a downward direction	inherited properties shared with others of your bloodline
properties attributable to your ancestry	the kinship relation between an individual and the individual's progenitors
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