valley vs vale

valley and vale both are nouns.

Word	Noun	Adjective	Verb	Adverb
valley	Yes	No	No	No
vale	Yes	No	No	No

As nouns, valley and vale are synonyms defined as:

valley and vale: a long depression in the surface of the land that usually contains a river

valley (noun)	vale (noun)
a long depression in the surface of the land that usually contains a river	a long depression in the surface of the land that usually contains a river