valiancy vs valorousness

valiancy and valorousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
valiancy	Yes	No	No	No
valorousness	Yes	No	No	No

As nouns, valiancy and valorousness are synonyms defined as:

valiancy and valorousness: the qualities of a hero or heroine; exceptional or heroic courage when facing danger (especially in battle)

Other synonyms of valiancy include gallantry, heroism, valiance, valor, valour.

valiancy (noun)	valorousness (noun)
the qualities of a hero or heroine; exceptional or heroic courage when facing danger (especially in battle)	the qualities of a hero or heroine; exceptional or heroic courage when facing danger (especially in battle)