presidentship vs president

presidentship and president both are nouns.

Word	Noun	Adjective	Verb	Adverb
presidentship	Yes	No	No	No
president	Yes	No	No	No

presidentship (noun)	president (noun)
the office and function of president	the chief executive of a republic
	an executive officer of a firm or corporation
	the head administrative officer of a college or university
	the officer who presides at the meetings of an organization