> a fraction of fifty or more (the whole number one), especially within a government or the ranks of a corporate organization
This does exist.
> pneumostomy
> a surgical operation in which a tubular vein is drawn into the lung "he takes a long pneumostomy at the hospital"
This A.I. could be predicting future words.
It has 64 results on Google
2 results on DDG/Bing.
And no matches on any online dictionary that I could find (Merriam-Webster, Urban Dictionary, ...)