span vs fellow

span and fellow both are nouns.

Word	Noun	Adjective	Verb	Adverb
span	Yes	No	Yes	No
fellow	Yes	No	No	No

span (noun)	fellow (noun)
the act of sitting or standing astride	a boy or man
a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.	a man who is the lover of a man or woman
the distance or interval between two points	a friend who is frequently in the company of another
a unit of length based on the width of the expanded human hand (usually taken as 9 inches)	a person who is member of one's class or profession
two items of the same kind	an informal form of address for a man
the complete duration of something	a member of a learned society
	one of a pair

span (verb)	fellow (verb)
to cover or extend over an area or time period