valor vs valiancy

valor and valiancy both are nouns.

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

As nouns, valor and valiancy are synonyms defined as:

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

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

valor (noun)	valiancy (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)