tubist

As nouns the difference between tubist and cubist

is that tubist is someone who plays the tuba while cubist is (arts) an artist who works in the style of cubism.

As an adjective cubist is

of, or pertaining to cubism.

As nouns the difference between taxonomy and tubist

is that taxonomy is the science or the technique used to make a classification while tubist is someone who plays the tuba.