Neandertal man vs Homo sapiens neanderthalensis

Neandertal man and Homo sapiens neanderthalensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
Neandertal man	Yes	No	No	No
Homo sapiens neanderthalensis	Yes	No	No	No

As nouns, Neandertal man and Homo sapiens neanderthalensis are synonyms defined as:

Neandertal man and Homo sapiens neanderthalensis: extinct robust human of Middle Paleolithic in Europe and western Asia

Other synonyms of Neandertal man include Neandertal, Neanderthal, Neanderthal man.

Neandertal man (noun)	Homo sapiens neanderthalensis (noun)
extinct robust human of Middle Paleolithic in Europe and western Asia	extinct robust human of Middle Paleolithic in Europe and western Asia