Metathesis | Definition of Metathesis by Merriam-Webster
Olefin Metathesis 1950s – In the presence of various organometallo compounds, olefin metathesis (where the R groups of olefins were swapped with the other)
Define metathesis: a change of place or condition: such as
This mispronunciation also lends itself to spelling errors. When people add the extra syllable, they often add an "i" and incorrectly write "michievious."
Modeling of Ru and Fe based olefin metathesis Michael T. Feldmann Richard P. Muller William A. Goddard, III Materials and Process Simulation Center, Caltech.
Metathesis - definition of metathesis by The Free Dictionary
I have to reject your premise that these people "metathesize" ask. They do not. "Aks" is the standard pronunciation in their dialect, and has been for generations. It has undergone metathesis at one point, that much is true, but that was , and they are not even aware of that.