dictate

As nouns the difference between dictate and dominant

is that dictate is an order or command while dominant is (music) the fifth major tone of a musical scale (five major steps above the note in question); thus g is the dominant of c, a of d, and so on.

As a verb dictate

is to order, command, control.

As an adjective dominant is

ruling; governing; prevailing; controlling.

As nouns the difference between taxonomy and dictate

is that taxonomy is the science or the technique used to make a classification while dictate is an order or command.

As a verb dictate is

to order, command, control.