white lead ore vs cerussite

white lead ore and cerussite both are nouns.

Word	Noun	Adjective	Verb	Adverb
white lead ore	Yes	No	No	No
cerussite	Yes	No	No	No

As nouns, white lead ore and cerussite are synonyms defined as:

white lead ore and cerussite: a mineral consisting of lead carbonate that is an important source of lead

white lead ore (noun)	cerussite (noun)
a mineral consisting of lead carbonate that is an important source of lead	a mineral consisting of lead carbonate that is an important source of lead