Harry Klinefelter vs Harry F. Klinefelter

Harry Klinefelter and Harry F. Klinefelter both are nouns.

Word	Noun	Adjective	Verb	Adverb
Harry Klinefelter	Yes	No	No	No
Harry F. Klinefelter	Yes	No	No	No

As nouns, Harry Klinefelter and Harry F. Klinefelter are synonyms defined as:

Harry Klinefelter and Harry F. Klinefelter: United States physician who first described the XXY-syndrome (born in 1912)

Other synonyms of Harry Klinefelter include Harry Fitch Kleinfelter, Klinefelter.

Harry Klinefelter (noun)	Harry F. Klinefelter (noun)
United States physician who first described the XXY-syndrome (born in 1912)	United States physician who first described the XXY-syndrome (born in 1912)