descent vs Polishness

descent and Polishness both are nouns.

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

As nouns, Polishness is a hyponym of descent; that is, Polishness is a word with a more specific, narrower meaning than descent:

Other hyponyms of descent include full blood, proletarianism.

descent (noun)	Polishness (noun)
the act of changing your location in a downward direction	The quality or state of being Polish.
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