Muntz metal vs yellow metal

Muntz metal and yellow metal both are nouns.

Word	Noun	Adjective	Verb	Adverb
Muntz metal	Yes	No	No	No
yellow metal	Yes	No	No	No

As nouns, Muntz metal and yellow metal are synonyms defined as:

Muntz metal and yellow metal: a brass that has more zinc and is stronger than alpha brass; used in making castings and hot-worked products

Other synonyms of Muntz metal include alpha-beta brass.

Muntz metal (noun)	yellow metal (noun)
a brass that has more zinc and is stronger than alpha brass; used in making castings and hot-worked products	a brass that has more zinc and is stronger than alpha brass; used in making castings and hot-worked products