dissimilation

The result has been widespread public furor over crime, cultural dissimilation and fears of terrorism.

Instead, therefore, of using torture, they employed craft; and though Garnet was an adept in the art of dissimilation, yet he was outwitted on this occasion.

A number of occupative names have lost the last syllable by dissimilation, e.g.

Three of the most important of these are assimilation, dissimilation, and metathesis.

We have long had the word ‘assimilation’ in our dictionaries; ‘dissimilation’ has not yet found its way into them, but it speedily will.