centesimo vs subunit

centesimo and subunit both are nouns.

Word	Noun	Adjective	Verb	Adverb
centesimo	Yes	No	No	No
subunit	Yes	No	No	No

As nouns, subunit is a hypernym of centesimo; that is, subunit is a word with a broader meaning than centesimo:

centesimo: a fractional monetary unit of several countries: Panama and Italy and Uruguay and Chile
subunit: a monetary unit that is valued at a fraction (usually one hundredth) of the basic monetary unit

Other hypernyms of centesimo include fractional monetary unit.

centesimo (noun)	subunit (noun)
a fractional monetary unit of several countries: Panama and Italy and Uruguay and Chile	a monetary unit that is valued at a fraction (usually one hundredth) of the basic monetary unit