The word for 'watermelon' in interslavic

[Deczski]

As I previously mentioned multiple times already, there are some words without any good 'mutal inteligible' solution.
What kind of algorithm would be the most optimal for solving those kind of problems?

I highly disagree with favourising russian words as being from the language which has the highest amount of speakers - The Interslavic will become 'russian lite' then.

Here is an example of an algoritm that can potentially solve it or at list push the process in a good direction:

https://lucid.app/lucidchart/2cd6b7eb-f8ae-4046-aa40-a3d53dc5745b/edit?invitationId=inv_101a4734-d519-4bc3-b82f-0e96a79d7975&page=0_0#