What is the collective noun for advice?

There isn't a widely accepted collective noun specifically for advice. However, you could use a few options depending on the context:

General options:

* A body of advice: This emphasizes the collection and structure of the advice.

* A wealth of advice: This implies a large amount of useful advice.

* A wellspring of advice: This suggests a constant source of advice.

More specific options:

* A barrage of advice: For unsolicited or overwhelming advice.

* A torrent of advice: For a rapid influx of advice.

* A bouquet of advice: For a collection of diverse advice.

Ultimately, the best option depends on the specific situation and what you want to emphasize.