What is the collective noun of graph?

There isn't a widely accepted collective noun for "graph" in the same way there is for "birds" (flock) or "ships" (fleet).

Here are some options you could use, depending on the context:

* Set of graphs: This is the most straightforward option.

* Collection of graphs: This is similar to "set" but implies a greater number or variety.

* Array of graphs: This suggests a structured arrangement of graphs.

* Series of graphs: This emphasizes the sequential nature of the graphs.

* Network of graphs: This is specific to graphs representing interconnected relationships.

Ultimately, the best term depends on what you are trying to convey.