Word cloud into Venn diagram

[mapto]

Is it desireable at all?

[mapto]

A possible solution: https://github.com/amueller/word_cloud/blob/main/examples/masked.py
An open question is what counts to use for overlapping regions (where different corpora would have different counts)

[mapto]

Another issue: how to fit into small regions in 4-corpora Venn