Mespilus vs medlar

Mespilus and medlar both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mespilus	Yes	No	No	No
medlar	Yes	No	No	No

Mespilus (noun)	medlar (noun)
medlars	crabapple-like fruit used for preserves
	a South African globular fruit with brown leathery skin and pithy flesh having a sweet-acid taste
	small deciduous Eurasian tree cultivated for its fruit that resemble crab apples
	small deciduous tree of southern Africa having edible fruit