It is not that difficult to decipher the Voynich manuscript that had puzzled Humankind for centuries.
There are clues to be found, but one needs to think out of the box....
Some claimed it is from extraterrestrial sources without any evidences, and amongst many - just the works of a mad man.......
1. While the strange pictures depicted in the book, and the language or codes used, the ROSETTA stone lays NOT in the words, but in the pictures depicted, more so the plants. Some depicted strangely are not of this World, but others are indeed from this World.
It is the words or codes used to IDENTIFY those plants or leaves that are used, that will be the ROSETTA stone to un-decipher the books, thru the use of our current AI tech, as AI CAN scour thru many, many leaf or flower PATTERNS at light speed, thru EVERY language used to identify such, and create a possible COMMON usage of the words to describe the leaf, plant or flower, and from there - to break the code.....