lungen vs longan

lungen and longan both are nouns.

Word	Noun	Adjective	Verb	Adverb
lungen	Yes	No	No	No
longan	Yes	No	No	No

As nouns, lungen and longan are synonyms defined as:

lungen and longan: tree of southeastern Asia to Australia grown primarily for its sweet edible fruit resembling litchi nuts; sometimes placed in genera Euphorbia or Nephelium

Other synonyms of lungen include Dimocarpus longan, Euphorbia litchi, longanberry, Nephelium longana.

lungen (noun)	longan (noun)
tree of southeastern Asia to Australia grown primarily for its sweet edible fruit resembling litchi nuts; sometimes placed in genera Euphorbia or Nephelium	tree of southeastern Asia to Australia grown primarily for its sweet edible fruit resembling litchi nuts; sometimes placed in genera Euphorbia or Nephelium