John L. H. Down vs Down

John L. H. Down and Down both are nouns.

Word	Noun	Adjective	Verb	Adverb
John L. H. Down	Yes	No	No	No
Down	Yes	No	No	No

As nouns, John L. H. Down and Down are synonyms defined as:

John L. H. Down and Down: English physician who first described Down's syndrome (1828-1896)

Other synonyms of John L. H. Down include John Langdon Down.

John L. H. Down (noun)	Down (noun)
English physician who first described Down's syndrome (1828-1896)	English physician who first described Down's syndrome (1828-1896)