Comment by DonaldFisk

Random Texts Exhibit Zipf’s-Law-Like Word Frequency Distribution: https://www.nslij-genetics.org/wp-content/uploads/2022/12/ie...

It also applies to a range of natural phenomena, e.g. lunar craters and earthquakes: https://www.cs.cornell.edu/courses/cs6241/2019sp/readings/Ne...

So the fact that word frequencies in the Voynich Manuscript follow Zipf's law doesn't prove it's written in a natural language.