Disappear
Part of speech: verb
Definition: To vanish. To make vanish.
Example sentence: Purposes, plans, and achievements of men may all disappear like yon cloud upon the mountain's summit; but, like the mountain itself, the things which are of God shall stand fast for ever and ever.
Vanish
Part of speech: verb
Definition: To become invisible or to move out of view unnoticed.To become equal to zero.
Example sentence: Life on our planet has been a constant series of cataclysmic events, and we are more suitable for extinction than a trilobite or a reptile. So we will vanish. There's no doubt in my heart.