Fraxinus ornus vs manna ash

Fraxinus ornus and manna ash both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fraxinus ornus	Yes	No	No	No
manna ash	Yes	No	No	No

As nouns, Fraxinus ornus and manna ash are synonyms defined as:

Fraxinus ornus and manna ash: southern Mediterranean ash having fragrant white flowers in dense panicles and yielding manna

Other synonyms of Fraxinus ornus include flowering ash.

Fraxinus ornus (noun)	manna ash (noun)
southern Mediterranean ash having fragrant white flowers in dense panicles and yielding manna	southern Mediterranean ash having fragrant white flowers in dense panicles and yielding manna