With 'the passage of time', the number of children suffering with the disease has decreased dramatically.
He guaranteed us safe 'passage'. [=he promised that we could safely travel through the area]
government leaders who are determined to get 'passage' of their bills
(..) Snape's Headmaster now, we can't just move from the front door! Well, we'll go to Hogsmeade, to Honeydukes. Take the secret passage in the cellar. It's... There's something wrong with him. It's like, you know, in the past... I've always been able to follow his thoughts. (..)2011 Harry Potter and the Deathly Hallows: Part 2