valor vs valiance

valor and valiance both are nouns.

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

As nouns, valor and valiance are synonyms defined as:

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

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

valor (noun)	valiance (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)