Which other manuscript contain the most Voynichese glyphs?

[-JKP-]

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I suppose the point I'm making here is that we don't know enough about VMS to assign probabilities to how the glyphs originated (or much of anything else).  It exists in relative linguistic isolation and the probabilities are meaningless unless you're comparing it to similar documents -- and since we don't know what it is, knowing which documents are similar is -- problematic. 

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I'm going to say the same thing I've said many times on other threads and sites...

I don't think there's any doubt that the source for the MAJORITY of the Voynich glyph-shapes is medieval Latin letters, numbers, and abbreviations. A few of them show Greek influence, but this is not out-of-place if you consider documents written in Latin characters (in a variety of languages) frequently included loanwords written in Greek, glosses in Greek, and also pages with the Greek alphabet written out. But the majority of the VMS glyph-shapes are Latin.

I really have no doubt about this. Why? Because they are not only the same shapes, but many of them are in the SAME POSITIONS in the Voynich tokens as we find them in Latin (in particular, the ones based on abbreviation shapes).

A small subset, mainly "gallows" glyphs, look like combinations of Latin ligatures and abbreviations and after an exhaustive search (10 years) of almost every alphabet on the planet, I suspect they are invented and loosely based on Latin and Greek scribal conventions, rather than borrowed from some esoteric source.