hairpiece

As nouns the difference between hairpiece and wiglet

is that hairpiece is a false substitute for a person's hair; a toupee or wig while wiglet is a small wig.

As nouns the difference between taxonomy and hairpiece

is that taxonomy is the science or the technique used to make a classification while hairpiece is a false substitute for a person's hair; a toupee or wig.

Postiche is a hyponym of hairpiece.

As nouns the difference between hairpiece and postiche

is that hairpiece is a false substitute for a person's hair; a toupee or wig while postiche is any item of false hair worn on the head or face, such as a false beard or wig.