marmalade plum vs mammee

marmalade plum and mammee both are nouns.

Word	Noun	Adjective	Verb	Adverb
marmalade plum	Yes	No	No	No
mammee	Yes	No	No	No

As nouns, marmalade plum and mammee are synonyms defined as:

marmalade plum and mammee: brown oval fruit flesh makes excellent sherbet

Other synonyms of marmalade plum include sapote.

marmalade plum (noun)	mammee (noun)
brown oval fruit flesh makes excellent sherbet	globular or ovoid tropical fruit with thick russet leathery rind and juicy yellow or reddish flesh
	brown oval fruit flesh makes excellent sherbet
	tropical American tree having edible fruit with a leathery rind
	tropical American tree having wood like mahogany and sweet edible egg-shaped fruit; in some classifications placed in the genus Calocarpum