dummy

As a noun dummy

is a silent person; a person who does not talk.

As a verb dummy

is to make a mock-up or prototype version of something, without some or all off its intended functionality.

As an adjective yummy is

delicious.

As nouns the difference between taxonomy and dummy

is that taxonomy is the science or the technique used to make a classification while dummy is a silent person; a person who does not talk.

As a verb dummy is

to make a mock-up or prototype version of something, without some or all off its intended functionality.