neurilemoma vs neurofibroma

neurilemoma and neurofibroma both are nouns.

Word	Noun	Adjective	Verb	Adverb
neurilemoma	Yes	No	No	No
neurofibroma	Yes	No	No	No

As nouns, neurilemoma and neurofibroma are synonyms defined as:

neurilemoma and neurofibroma: tumor of the fibrous covering of a peripheral nerve

neurilemoma (noun)	neurofibroma (noun)
tumor of the fibrous covering of a peripheral nerve	tumor of the fibrous covering of a peripheral nerve