capacity measure vs capacity unit

capacity measure and capacity unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
capacity measure	Yes	No	No	No
capacity unit	Yes	No	No	No

As nouns, capacity measure and capacity unit are synonyms defined as:

capacity measure and capacity unit: a unit of measurement of volume or capacity

capacity measure (noun)	capacity unit (noun)
a unit of measurement of volume or capacity	a unit of measurement of volume or capacity