Reminiscent is reminding one about something so in this case, we can replace the word reminiscent with the word reminders: The decorations were reminders of autumn leaves
Debris are the scattered pieces of rubbish or remains. In this sentence we replace the word debris with rubbish: The police officers blocked off the road until all of the rubbish from the accident was cleared.
Cache means to store away for future use of a commodity.In this case, the word cache will be replaced by hiding:Many soldiers would hide food and supplies for desperate times.
