luminous intensity unit vs candlepower unit

luminous intensity unit and candlepower unit both are nouns.

Word	Noun	Adjective	Verb	Adverb
luminous intensity unit	Yes	No	No	No
candlepower unit	Yes	No	No	No

As nouns, luminous intensity unit and candlepower unit are synonyms defined as:

luminous intensity unit and candlepower unit: a measure of luminous intensity

luminous intensity unit (noun)	candlepower unit (noun)
a measure of luminous intensity	a measure of luminous intensity