Collective noun for plates and bowls?

There isn't a specific, widely accepted collective noun for plates and bowls. However, you could use these options:

General:

* Set - This is a good option if they are a matching set.

* Collection - This works if they are a varied collection.

* Assortment - Similar to collection, but implies more variety.

* Array - This is a good option if they are displayed or arranged in a specific way.

* Stack - This works if they are stacked together.

Descriptive:

* A feast of plates and bowls - This is a poetic option.

* A buffet of plates and bowls - This implies a wide selection.

More specific:

* A service of plates and bowls - This would be used if they are a set for a particular number of people.

Ultimately, the best collective noun will depend on the context and the specific meaning you want to convey.