replacement

As nouns the difference between replacement and hemofiltration

is that replacement is a person or thing that takes the place of another; a substitute while hemofiltration is (medicine) a form of renal replacement therapy similar to hemodialysis.

As nouns the difference between replacement and superseder

is that replacement is a person or thing that takes the place of another; a substitute while superseder is one who, or that which, supersedes; a replacement or usurper.

As nouns the difference between replacement and pseudomorph

is that replacement is a person or thing that takes the place of another; a substitute while pseudomorph is a mineral that formed by replacement of an existing mineral (or organic matter) such that the new mineral has the appearance and dimensions of the original.