cubic centimetre vs millilitre

cubic centimetre and millilitre both are nouns.

Word	Noun	Adjective	Verb	Adverb
cubic centimetre	Yes	No	No	No
millilitre	Yes	No	No	No

As nouns, cubic centimetre and millilitre are synonyms defined as:

cubic centimetre and millilitre: a metric unit of volume equal to one thousandth of a liter

Other synonyms of cubic centimetre include cc, cubic centimeter, mil, milliliter, ml.

cubic centimetre (noun)	millilitre (noun)
a metric unit of volume equal to one thousandth of a liter	a metric unit of volume equal to one thousandth of a liter