purism

As a noun purism is

(uncountable) an insistence on the traditionally correct way of doing things, especially of language.

As nouns the difference between purism and prism

is that purism is (uncountable) an insistence on the traditionally correct way of doing things, especially of language while prism is (geometry) a polyhedron with parallel ends of the same size and shape, the other faces being parallelogram-shaped sides.

As nouns the difference between puris and purism

is that puris is while purism is (uncountable) an insistence on the traditionally correct way of doing things, especially of language.

As nouns the difference between porism and purism

is that porism is (geometry) a proposition affirming the possibility of finding such conditions as will render a certain determinate problem indeterminate or capable of innumerable solutions while purism is (uncountable) an insistence on the traditionally correct way of doing things, especially of language.

As nouns the difference between taxonomy and purism

is that taxonomy is the science or the technique used to make a classification while purism is (uncountable) an insistence on the traditionally correct way of doing things, especially of language.