Final answer:
A synonym for the word 'renewal' in the context provided would be 'rebirth' (option C), as both terms suggest a making new or starting again.
Step-by-step explanation:
A synonym for the word renewal as it is used in the passage would be C. rebirth. Both renewal and rebirth convey the idea of making something new or fresh again, or starting over. This can apply in various contexts, from the physical renewal of an object to the metaphorical renewal of life or spirit.
Option A, subscription, is not a synonym for renewal, as it refers specifically to the act of subscribing to a service or publication. Option B, reusable, is about something that can be used more than once, which does not necessarily mean it has been renewed or made new. Option D, decay, is the opposite of renewal, indicating a decline or degradation.