William Henry Harrison vs President Harrison

William Henry Harrison and President Harrison both are nouns.

Word	Noun	Adjective	Verb	Adverb
William Henry Harrison	Yes	No	No	No
President Harrison	Yes	No	No	No

As nouns, William Henry Harrison and President Harrison are synonyms defined as:

William Henry Harrison and President Harrison: 9th President of the United States; caught pneumonia during his inauguration and died shortly after (1773-1841)

Other synonyms of William Henry Harrison include Harrison, President William Henry Harrison.

William Henry Harrison (noun)	President Harrison (noun)
9th President of the United States; caught pneumonia during his inauguration and died shortly after (1773-1841)	9th President of the United States; caught pneumonia during his inauguration and died shortly after (1773-1841)
	23rd President of the United States (1833-1901)