Post vs writer

Post and writer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Post	Yes	No	No	No
writer	Yes	No	No	No

Post (noun)	writer (noun)
United States manufacturer of breakfast cereals and Postum (1854-1914)	writes (books or stories or articles or the like) professionally (for pay)
United States female author who wrote a book and a syndicated newspaper column on etiquette (1872-1960)	a person who is able to write and has written something
United States aviator who in 1933 made the first solo flight around the world (1899-1935)