man vs world

man and world both are nouns.

Word	Noun	Adjective	Verb	Adverb
man	Yes	No	Yes	No
world	Yes	Yes	No	No

As nouns, man and world are synonyms defined as:

Other synonyms of man include human beings, human race, humanity, humankind, humans, mankind.

As nouns, world is a hyponym of man; that is, world is a word with a more specific, narrower meaning than man:

man: any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage
world: all of the living human inhabitants of the earth

man (noun)	world (noun)
all of the living human inhabitants of the earth	all of the living human inhabitants of the earth
any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage	all of your experiences that determine how things appear to you
game equipment consisting of an object used in playing certain board games	the concerns of this life as distinguished from heaven and the afterlife
an adult person who is male (as opposed to a woman)	people in general; especially a distinctive group of people with some shared interest
someone who serves in the armed forces; a member of a military force	people in general considered as a whole
the generic use of the word to refer to any human being	the 3rd planet from the sun; the planet we live on
a manservant who acts as a personal attendant to his employer	everything that exists anywhere
an adult male person who has a manly character (virile and courageous competent)	a part of the earth that can be considered separately
a male person who plays a significant role (husband or lover or boyfriend) in the life of a particular woman
a male subordinate

man (adjective)	world (adjective)
	involving the entire earth; not limited or provincial in scope

man (verb)	world (verb)
provide with workers
take charge of a certain job; occupy a certain work place