Valley
Part of speech: noun
Definition: An elongated depression between hills or mountains, often with a river flowing through it. The area which drains into a river. Any structure resembling one, e.g., the meeting point of two pitched roofs. The internal angle formed by the intersection of two sloping roof planes.
Example sentence: We've climbed the mighty mountain. I see the valley below, and it's a valley of peace.
Vale
Part of speech: noun
Definition: valley
Part of speech: interjection
Definition: (usually seen in obituaries) farewell