lineman vs end

lineman and end both are nouns.

Word	Noun	Adjective	Verb	Adverb
lineman	Yes	No	No	No
end	Yes	No	Yes	No

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

lineman: (American football) the position of a player on a football team who is stationed on the line of scrimmage
end: (American football) a position on the line of scrimmage, designating players at each end of the defensive line

Other hyponyms of lineman include center, centre, guard, tackle.

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

Other hyponyms of lineman include center, centre, snapper, guard, tackle.

lineman (noun)	end (noun)
(American football) the position of a player on a football team who is stationed on the line of scrimmage	the part you are expected to play
one of the players on the line of scrimmage	(American football) a position on the line of scrimmage, designating players at each end of the defensive line
a person who installs or repairs electrical or telephone lines	a piece of cloth that is left over after the rest has been used or sold
the surveyor who marks positions with a range pole	a final part or section
	the state of affairs that a plan is intended to achieve and that (when achieved) terminates behavior intended to achieve it
	the last section of a communication
	the final stage or concluding parts of an event or occurrence
	either extremity of something that has length
	a boundary marking the extremities of something
	the surface at either extremity of a three-dimensional object
	one of two places from which people are communicating to each other
	(football) the person who plays at one end of the line of scrimmage
	a final state
	the point in time at which something ends

lineman (verb)	end (verb)
	bring to an end or halt
	put an end to
	have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical
	be the end of; be the last or concluding part of