czechoslovakia

As a noun taxonomy

is the science or the technique used to make a classification.

As a proper noun Czechoslovakia is

a former country in central Europe; now Czechia and Slovakia.

As a proper noun czechoslovakia

is (historical) a former country in central europe; now czechia and slovakia.

As a noun rondocubism is

(arts) a form of cubism, in post-world war one czechoslovakia, that employed more rounded forms.